| Ottawa to Antwerp | 4,197.52 mi (6,755.26 km) |
| Ottawa to Anzegem | 4,176.56 mi (6,721.53 km) |
| Ottawa to Ardooie | 4,160.82 mi (6,696.20 km) |
| Ottawa to Arendonk | 4,219.32 mi (6,790.34 km) |
| Ottawa to Arlon | 4,306.13 mi (6,930.04 km) |
| Ottawa to Asse | 4,201.30 mi (6,761.34 km) |
| Ottawa to Assebroek | 4,155.23 mi (6,687.19 km) |
| Ottawa to Assenede | 4,172.76 mi (6,715.40 km) |
| Ottawa to Ath | 4,195.04 mi (6,751.27 km) |
| Ottawa to Aubange | 4,310.00 mi (6,936.27 km) |
| Ottawa to Avelgem | 4,177.32 mi (6,722.74 km) |
| Ottawa to Awans | 4,256.83 mi (6,850.71 km) |
| Ottawa to Aywaille | 4,271.73 mi (6,874.69 km) |
| Ottawa to Balen | 4,227.16 mi (6,802.95 km) |
| Ottawa to Bassenge | 4,258.91 mi (6,854.05 km) |
