| Modra to Clay Cross | 880.68 mi (1,417.32 km) |
| Modra to Clayton | 908.12 mi (1,461.48 km) |
| Modra to Clayton le Moors | 930.35 mi (1,497.25 km) |
| Modra to Cleckheaton | 903.30 mi (1,453.71 km) |
| Modra to Cleethorpes | 833.43 mi (1,341.28 km) |
| Modra to Clevedon | 919.72 mi (1,480.15 km) |
| Modra to Clifton | 866.75 mi (1,394.89 km) |
| Modra to Clifton | 884.34 mi (1,423.20 km) |
| Modra to Cliftonville | 737.51 mi (1,186.91 km) |
| Modra to Clitheroe | 932.48 mi (1,500.68 km) |
| Modra to Clydebank | 1,052.69 mi (1,694.15 km) |
| Modra to Coalville | 871.66 mi (1,402.80 km) |
| Modra to Coatbridge | 1,038.24 mi (1,670.88 km) |
| Modra to Cobham | 814.13 mi (1,310.22 km) |
| Modra to Cockermouth | 985.90 mi (1,586.65 km) |
