| Biddeford to Cromer | 3,226.25 mi (5,192.14 km) |
| Biddeford to Crosby | 3,043.47 mi (4,897.99 km) |
| Biddeford to Crowborough | 3,222.87 mi (5,186.70 km) |
| Biddeford to Croxley Green | 3,184.85 mi (5,125.52 km) |
| Biddeford to Croydon | 3,204.65 mi (5,157.39 km) |
| Biddeford to Cudworth | 3,105.69 mi (4,998.13 km) |
| Biddeford to Culcheth | 3,064.43 mi (4,931.72 km) |
| Biddeford to Cullercoats | 3,077.80 mi (4,953.25 km) |
| Biddeford to Cumbernauld | 2,965.53 mi (4,772.55 km) |
| Biddeford to Cumnock | 2,962.61 mi (4,767.85 km) |
| Biddeford to Cupar | 2,996.94 mi (4,823.11 km) |
| Biddeford to Cwmbran | 3,079.72 mi (4,956.33 km) |
| Biddeford to Dagenham | 3,211.09 mi (5,167.76 km) |
| Biddeford to Dalkeith | 3,001.62 mi (4,830.64 km) |
| Biddeford to Darfield | 3,107.81 mi (5,001.53 km) |
