| Olhao to Clay Cross | 1,157.09 mi (1,862.16 km) |
| Olhao to Clayton | 1,193.02 mi (1,919.97 km) |
| Olhao to Clayton le Moors | 1,186.26 mi (1,909.11 km) |
| Olhao to Cleckheaton | 1,190.34 mi (1,915.67 km) |
| Olhao to Cleethorpes | 1,201.78 mi (1,934.07 km) |
| Olhao to Clevedon | 1,025.31 mi (1,650.08 km) |
| Olhao to Clifton | 1,143.19 mi (1,839.79 km) |
| Olhao to Clifton | 1,214.20 mi (1,954.07 km) |
| Olhao to Cliftonville | 1,090.84 mi (1,755.54 km) |
| Olhao to Clitheroe | 1,192.60 mi (1,919.31 km) |
| Olhao to Clydebank | 1,313.88 mi (2,114.49 km) |
| Olhao to Coalville | 1,128.84 mi (1,816.69 km) |
| Olhao to Coatbridge | 1,313.59 mi (2,114.02 km) |
| Olhao to Cobham | 1,053.30 mi (1,695.13 km) |
| Olhao to Cockermouth | 1,236.78 mi (1,990.40 km) |
