Bus 644 in Ottawa links Greenboro B and Canterbury / Plesser. The route is 11.9 km long with 39 stops, and the official schedule from OC Transpo puts the full trip at about 33 minutes. On a weekday it runs 2 trips in one direction.
Route at a glance
| Mode | Bus |
|---|---|
| Route number | 644 |
| City | Ottawa |
| Transit authority | OC Transpo |
| Start → end | Greenboro B → Canterbury / Plesser |
| End → start | Canterbury / Plesser → Greenboro B |
| Route length | 11.9 km / 11.6 km in the opposite direction |
| Number of stops | 39 / 42 in the opposite direction |
| Travel time | about 33 minutes |
| Trips per day | 2 on weekdays one way |
| Frequency | peak 4 |
| First / last trip from «Greenboro B» | 08:16 / 08:20 |
| First / last trip from «Canterbury / Plesser» | 15:48 / 15:50 |
| Fare | — |
| Updated | August 23, 2026 |
Route of Bus 644
Outbound: Greenboro B → Canterbury / Plesser
This direction has 39 stops and runs 11.9 km. The route passes South Keys C, Cahill / Rosegarden, Lorry Greenberg / Huntersfield, Johnston / Ad. 2021. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Greenboro B | 0.0 km | Terminus |
| 2 | South Keys C | 0.8 km | |
| 3 | Hunt Club Loop – Stop 1A | 1.3 km | |
| 4 | Hunt Club / Bridle Path | 1.5 km | |
| 5 | Hunt Club / Bridle Path | 1.7 km | |
| 6 | Hunt Club / Bank | 1.9 km | |
| 7 | Hunt Club / Bank | 2.2 km | |
| 8 | Albion / Southgate | 2.6 km | |
| 9 | Albion / Cahill | 2.8 km | |
| 10 | Cahill / Marlin | 3.0 km | |
| 11 | Cahill / Rosegarden | 3.2 km | |
| 12 | Cahill / Rosegarden | 3.5 km | |
| 13 | Hunt Club / Cahill | 3.9 km | |
| 14 | Lorry Greenberg / Hunt Club | 4.4 km | |
| 15 | Lorry Greenberg / Scarlet | 4.5 km | |
| 16 | Lorry Greenberg / Hunter’s Glen | 4.7 km | |
| 17 | Lorry Greenberg / Margrave | 4.9 km | |
| 18 | Lorry Greenberg / Stamford | 5.2 km | |
| 19 | Lorry Greenberg / Pike | 5.4 km | |
| 20 | Lorry Greenberg / Huntersfield | 5.7 km | |
| 21 | Lorry Greenberg / Bramblegrove | 5.9 km | |
| 22 | Lorry Greenberg / Conroy | 6.2 km | |
| 23 | Karsh / Ewing | 6.6 km | |
| 24 | Karsh / Fardon | 7.0 km | |
| 25 | Blohm / Esson | 7.5 km | |
| 26 | Blohm / Johnston | 7.7 km | |
| 27 | Johnston / Cellini | 8.2 km | |
| 28 | Johnston / Baslaw | 8.3 km | |
| 29 | Johnston / Ad. 2021 | 8.7 km | |
| 30 | Johnston / Langstrom | 8.9 km | |
| 31 | Conroy / Johnston | 9.2 km | |
| 32 | Conroy / Railway | 9.4 km | |
| 33 | Conroy / Thurston | 9.7 km | |
| 34 | Conroy / St-laurent | 10.1 km | |
| 35 | Walkley / Conroy | 10.5 km | |
| 36 | Walkley / Harding | 10.8 km | |
| 37 | Walkley / Ad. 2080 | 11.2 km | |
| 38 | Halifax / Dakota | 11.4 km | |
| 39 | Canterbury / Plesser | 11.9 km | Terminus |
Inbound: Canterbury / Plesser → Greenboro B
This direction has 42 stops and runs 11.6 km. The route passes Canterbury / Halifax, Johnston / Baslaw, Lorry Greenberg / Bramblegrove, Cahill / Rosegarden. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Canterbury / Canterbury H.s. | 0.0 km | Terminus |
| 2 | Canterbury / Halifax | 0.2 km | |
| 3 | Halifax / Ad. 2215 | 0.5 km | |
| 4 | Walkley / Halifax | 0.8 km | |
| 5 | Walkley / Harding | 1.4 km | |
| 6 | Conroy / St-laurent | 2.1 km | |
| 7 | Conroy / Thurston | 2.4 km | |
| 8 | Conroy / Railway | 2.7 km | |
| 9 | Johnston / Conroy | 3.1 km | |
| 10 | Johnston / Ewing | 3.2 km | |
| 11 | Johnston / Ad. 2002 | 3.4 km | |
| 12 | Johnston / Baslaw | 3.8 km | |
| 13 | Johnston / Baslaw | 4.0 km | |
| 14 | Blohm / Reubens | 4.4 km | |
| 15 | Blohm / Ad. 1579 | 4.6 km | |
| 16 | Karsh / Blohm | 4.9 km | |
| 17 | Karsh / Claudet | 5.1 km | |
| 18 | Karsh / Topley | 5.4 km | |
| 19 | Karsh / Ewing | 5.6 km | |
| 20 | Lorry Greenberg / Conroy | 5.9 km | |
| 21 | Lorry Greenberg / Conroy | 6.0 km | |
| 22 | Lorry Greenberg / Bramblegrove | 6.2 km | |
| 23 | Lorry Greenberg / Huntersfield | 6.4 km | |
| 24 | Lorry Greenberg / Pike | 6.6 km | |
| 25 | Lorry Greenberg / Stamford | 6.9 km | |
| 26 | Lorry Greenberg / Margrave | 7.2 km | |
| 27 | Lorry Greenberg / Hunter’s Glen | 7.3 km | |
| 28 | Lorry Greenberg / Scarlet | 7.6 km | |
| 29 | Lorry Greenberg / Hunt Club | 7.7 km | |
| 30 | Hunt Club / Cahill | 8.2 km | |
| 31 | Cahill / Southport | 8.5 km | |
| 32 | Cahill / Rosegarden | 8.8 km | |
| 33 | Cahill / Verdon | 9.0 km | |
| 34 | Albion / Cahill | 9.3 km | |
| 35 | Albion / Southgate | 9.5 km | |
| 36 | Hunt Club / Albion | 9.7 km | |
| 37 | Hunt Club / Bank | 9.9 km | |
| 38 | Hunt Club / Bank | 10.1 km | |
| 39 | Hunt Club / Ad. 1189 | 10.2 km | |
| 40 | 1145 Hunt Club | 10.4 km | |
| 41 | South Keys A | 10.9 km | |
| 42 | Greenboro C | 11.6 km | Terminus |
Schedule and frequency
According to the official schedule from OC Transpo, the route runs 2 trips in one direction on a weekday.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Greenboro B» | 08:16 — 08:20 | — — — |
| From «Canterbury / Plesser» | 15:48 — 15:50 | — — — |
Frequency calculated from the departure table: in the morning peak buses run every 4 minutes.
Frequently asked questions
When do the first and last trips run?
From Greenboro B the first is at 08:16 and the last at 08:20. From Canterbury / Plesser they are 15:48 and 15:50.
How long does the trip from Greenboro B to Canterbury / Plesser take?
About 33 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
39 outbound and 42 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 644 run on weekends?
Yes, the route runs every day, with a separate weekend schedule.
Every route number with its termini, operating hours and travel time is collected in the Ottawa buses overview.
Data current as of August 23, 2026. Schedule and termini — OC Transpo. Fares — OC Transpo. Stop list, schedule and route geometry come from the official GTFS feed (OC Transpo, version S1000512-S1000514).