| Ontario to Amersham | 5,397.66 mi (8,686.69 km) |
| Ontario to Amesbury | 5,381.87 mi (8,661.28 km) |
| Ontario to Ammanford | 5,280.83 mi (8,498.68 km) |
| Ontario to Ampthill | 5,385.43 mi (8,667.01 km) |
| Ontario to Andover | 5,390.20 mi (8,674.69 km) |
| Ontario to Annan | 5,167.09 mi (8,315.63 km) |
| Ontario to Antrim | 5,085.49 mi (8,184.30 km) |
| Ontario to Appleton | 5,260.68 mi (8,466.25 km) |
| Ontario to Appley Bridge | 5,245.07 mi (8,441.12 km) |
| Ontario to Arbroath | 5,119.73 mi (8,239.41 km) |
| Ontario to Ardrossan | 5,091.17 mi (8,193.45 km) |
| Ontario to Armadale | 5,114.45 mi (8,230.91 km) |
| Ontario to Armthorpe | 5,299.63 mi (8,528.93 km) |
| Ontario to Arnold | 5,321.03 mi (8,563.36 km) |
| Ontario to Ascot | 5,407.64 mi (8,702.76 km) |
