| Omurtag to Clay Cross | 1,446.51 mi (2,327.93 km) |
| Omurtag to Clayton | 1,475.36 mi (2,374.36 km) |
| Omurtag to Clayton le Moors | 1,497.35 mi (2,409.75 km) |
| Omurtag to Cleckheaton | 1,470.45 mi (2,366.46 km) |
| Omurtag to Cleethorpes | 1,400.91 mi (2,254.55 km) |
| Omurtag to Clevedon | 1,475.79 mi (2,375.06 km) |
| Omurtag to Clifton | 1,431.83 mi (2,304.30 km) |
| Omurtag to Clifton | 1,452.13 mi (2,336.98 km) |
| Omurtag to Cliftonville | 1,296.82 mi (2,087.03 km) |
| Omurtag to Clitheroe | 1,499.68 mi (2,413.50 km) |
| Omurtag to Clydebank | 1,620.81 mi (2,608.45 km) |
| Omurtag to Coalville | 1,435.92 mi (2,310.89 km) |
| Omurtag to Coatbridge | 1,606.32 mi (2,585.13 km) |
| Omurtag to Cobham | 1,371.28 mi (2,206.86 km) |
| Omurtag to Cockermouth | 1,553.97 mi (2,500.87 km) |
