| Ontario to Carterton | 5,361.87 mi (8,629.10 km) |
| Ontario to Castle Bromwich | 5,322.32 mi (8,565.45 km) |
| Ontario to Castleford | 5,282.06 mi (8,500.65 km) |
| Ontario to Castleton | 5,261.90 mi (8,468.22 km) |
| Ontario to Caterham | 5,432.60 mi (8,742.92 km) |
| Ontario to Catford | 5,427.02 mi (8,733.95 km) |
| Ontario to Caversham | 5,395.15 mi (8,682.65 km) |
| Ontario to Chaddesden | 5,314.50 mi (8,552.86 km) |
| Ontario to Chalfont Saint Peter | 5,402.35 mi (8,694.24 km) |
| Ontario to Chandlers Ford | 5,403.58 mi (8,696.22 km) |
| Ontario to Chapel en le Frith | 5,281.89 mi (8,500.38 km) |
| Ontario to Chapeltown | 5,289.92 mi (8,513.30 km) |
| Ontario to Chard | 5,355.88 mi (8,619.45 km) |
| Ontario to Charlton Kings | 5,341.45 mi (8,596.24 km) |
| Ontario to Chatham | 5,447.89 mi (8,767.52 km) |
