| Ottawa to Aulnay-sous-Bois | 4,205.39 mi (6,767.92 km) |
| Ottawa to Aulnoye-Aymeries | 4,212.24 mi (6,778.94 km) |
| Ottawa to Auray | 4,029.95 mi (6,485.57 km) |
| Ottawa to Aurillac | 4,349.04 mi (6,999.10 km) |
| Ottawa to Auriol | 4,540.30 mi (7,306.91 km) |
| Ottawa to Auterive | 4,367.50 mi (7,028.81 km) |
| Ottawa to Autun | 4,348.78 mi (6,998.69 km) |
| Ottawa to Auxerre | 4,288.57 mi (6,901.78 km) |
| Ottawa to Avignon | 4,483.64 mi (7,215.72 km) |
| Ottawa to Avion | 4,166.94 mi (6,706.05 km) |
| Ottawa to Avon | 4,233.39 mi (6,812.99 km) |
| Ottawa to Avranches | 4,062.14 mi (6,537.38 km) |
| Ottawa to Avrille | 4,132.82 mi (6,651.14 km) |
| Ottawa to Aytre | 4,158.70 mi (6,692.78 km) |
| Ottawa to Bagneux | 4,203.44 mi (6,764.78 km) |
