| Thornbury to Collegno | 645.97 mi (1,039.59 km) |
| Thornbury to Cologno al Serio | 695.24 mi (1,118.87 km) |
| Thornbury to Cologno Monzese | 682.52 mi (1,098.41 km) |
| Thornbury to Colorno | 749.96 mi (1,206.94 km) |
| Thornbury to Comacchio | 826.73 mi (1,330.49 km) |
| Thornbury to Comiso | 1,313.68 mi (2,114.16 km) |
| Thornbury to Como | 662.63 mi (1,066.39 km) |
| Thornbury to Concordia Sagittaria | 806.86 mi (1,298.52 km) |
| Thornbury to Concorezzo | 681.76 mi (1,097.19 km) |
| Thornbury to Conegliano | 780.41 mi (1,255.95 km) |
| Thornbury to Conselice | 822.07 mi (1,323.00 km) |
| Thornbury to Conselve | 791.27 mi (1,273.43 km) |
| Thornbury to Conversano | 1,185.26 mi (1,907.49 km) |
| Thornbury to Copertino | 1,254.07 mi (2,018.23 km) |
| Thornbury to Copparo | 804.71 mi (1,295.05 km) |
