| Olgiate Olona to Clay Cross | 695.09 mi (1,118.64 km) |
| Olgiate Olona to Clayton | 736.92 mi (1,185.96 km) |
| Olgiate Olona to Clayton le Moors | 753.16 mi (1,212.10 km) |
| Olgiate Olona to Cleckheaton | 731.40 mi (1,177.08 km) |
| Olgiate Olona to Cleethorpes | 676.03 mi (1,087.96 km) |
| Olgiate Olona to Clevedon | 668.91 mi (1,076.51 km) |
| Olgiate Olona to Clifton | 675.56 mi (1,087.21 km) |
| Olgiate Olona to Clifton | 726.61 mi (1,169.36 km) |
| Olgiate Olona to Cliftonville | 524.13 mi (843.51 km) |
| Olgiate Olona to Clitheroe | 757.99 mi (1,219.87 km) |
| Olgiate Olona to Clydebank | 913.39 mi (1,469.96 km) |
| Olgiate Olona to Coalville | 672.86 mi (1,082.87 km) |
| Olgiate Olona to Coatbridge | 901.44 mi (1,450.73 km) |
| Olgiate Olona to Cobham | 578.83 mi (931.54 km) |
| Olgiate Olona to Cockermouth | 824.11 mi (1,326.28 km) |
