| Ontario to Cromer | 5,400.33 mi (8,691.00 km) |
| Ontario to Crosby | 5,239.08 mi (8,431.49 km) |
| Ontario to Crowborough | 5,450.52 mi (8,771.77 km) |
| Ontario to Croxley Green | 5,404.12 mi (8,697.09 km) |
| Ontario to Croydon | 5,427.45 mi (8,734.64 km) |
| Ontario to Cudworth | 5,286.34 mi (8,507.55 km) |
| Ontario to Culcheth | 5,256.97 mi (8,460.28 km) |
| Ontario to Cullercoats | 5,221.21 mi (8,402.72 km) |
| Ontario to Cumbernauld | 5,103.61 mi (8,213.46 km) |
| Ontario to Cumnock | 5,116.11 mi (8,233.58 km) |
| Ontario to Cupar | 5,117.44 mi (8,235.73 km) |
| Ontario to Cwmbran | 5,319.56 mi (8,561.00 km) |
| Ontario to Dagenham | 5,427.94 mi (8,735.43 km) |
| Ontario to Dalkeith | 5,134.21 mi (8,262.71 km) |
| Ontario to Darfield | 5,289.20 mi (8,512.14 km) |
