| Apex to Clacton-on-Sea | 3,932.76 mi (6,329.17 km) |
| Apex to Clay Cross | 3,803.05 mi (6,120.42 km) |
| Apex to Clayton | 3,776.45 mi (6,077.61 km) |
| Apex to Clayton le Moors | 3,753.95 mi (6,041.40 km) |
| Apex to Cleckheaton | 3,781.15 mi (6,085.18 km) |
| Apex to Cleethorpes | 3,851.41 mi (6,198.24 km) |
| Apex to Clevedon | 3,774.79 mi (6,074.93 km) |
| Apex to Clifton | 3,817.14 mi (6,143.10 km) |
| Apex to Clifton | 3,801.46 mi (6,117.86 km) |
| Apex to Cliftonville | 3,951.80 mi (6,359.80 km) |
| Apex to Clitheroe | 3,752.08 mi (6,038.40 km) |
| Apex to Clydebank | 3,644.54 mi (5,865.33 km) |
| Apex to Coalville | 3,812.64 mi (6,135.85 km) |
| Apex to Coatbridge | 3,659.26 mi (5,889.02 km) |
| Apex to Cobham | 3,878.28 mi (6,241.48 km) |
