| Thornbury to Cividale del Friuli | 816.88 mi (1,314.65 km) |
| Thornbury to Civita Castellana | 950.72 mi (1,530.03 km) |
| Thornbury to Civitanova Marche | 948.60 mi (1,526.62 km) |
| Thornbury to Civitavecchia | 940.16 mi (1,513.04 km) |
| Thornbury to Civitella in Val di Chiana | 870.32 mi (1,400.64 km) |
| Thornbury to Clusone | 691.02 mi (1,112.09 km) |
| Thornbury to Coccaglio | 706.31 mi (1,136.69 km) |
| Thornbury to Codigoro | 818.28 mi (1,316.90 km) |
| Thornbury to Codogno | 715.01 mi (1,150.69 km) |
| Thornbury to Codroipo | 804.17 mi (1,294.18 km) |
| Thornbury to Cogoleto | 716.57 mi (1,153.20 km) |
| Thornbury to Colle di Val d'Elsa | 850.82 mi (1,369.26 km) |
| Thornbury to Colle Salvetti | 818.45 mi (1,317.17 km) |
| Thornbury to Collecchio | 752.64 mi (1,211.26 km) |
| Thornbury to Colleferro | 1,000.46 mi (1,610.08 km) |
