| San Gregorio di Catania to Clay Cross | 1,336.65 mi (2,151.13 km) |
| San Gregorio di Catania to Clayton | 1,379.22 mi (2,219.63 km) |
| San Gregorio di Catania to Clayton le Moors | 1,394.78 mi (2,244.69 km) |
| San Gregorio di Catania to Cleckheaton | 1,373.70 mi (2,210.76 km) |
| San Gregorio di Catania to Cleethorpes | 1,319.24 mi (2,123.11 km) |
| San Gregorio di Catania to Clevedon | 1,297.94 mi (2,088.84 km) |
| San Gregorio di Catania to Clifton | 1,316.84 mi (2,119.25 km) |
| San Gregorio di Catania to Clifton | 1,369.66 mi (2,204.26 km) |
| San Gregorio di Catania to Cliftonville | 1,165.85 mi (1,876.26 km) |
| San Gregorio di Catania to Clitheroe | 1,399.80 mi (2,252.77 km) |
| San Gregorio di Catania to Clydebank | 1,556.35 mi (2,504.71 km) |
| San Gregorio di Catania to Coalville | 1,313.29 mi (2,113.53 km) |
| San Gregorio di Catania to Coatbridge | 1,544.52 mi (2,485.67 km) |
| San Gregorio di Catania to Cobham | 1,215.68 mi (1,956.45 km) |
| San Gregorio di Catania to Cockermouth | 1,466.32 mi (2,359.82 km) |
