| Formia to Clay Cross | 1,078.71 mi (1,736.01 km) |
| Formia to Clayton | 1,120.21 mi (1,802.81 km) |
| Formia to Clayton le Moors | 1,136.74 mi (1,829.41 km) |
| Formia to Cleckheaton | 1,114.70 mi (1,793.94 km) |
| Formia to Cleethorpes | 1,057.92 mi (1,702.55 km) |
| Formia to Clevedon | 1,049.60 mi (1,689.17 km) |
| Formia to Clifton | 1,059.25 mi (1,704.69 km) |
| Formia to Clifton | 1,109.04 mi (1,784.83 km) |
| Formia to Cliftonville | 907.78 mi (1,460.94 km) |
| Formia to Clitheroe | 1,141.51 mi (1,837.08 km) |
| Formia to Clydebank | 1,295.88 mi (2,085.51 km) |
| Formia to Coalville | 1,056.63 mi (1,700.48 km) |
| Formia to Coatbridge | 1,283.67 mi (2,065.87 km) |
| Formia to Cobham | 962.05 mi (1,548.26 km) |
| Formia to Cockermouth | 1,207.41 mi (1,943.13 km) |
