| Buckingham to Cividale del Friuli | 767.55 mi (1,235.26 km) |
| Buckingham to Civita Castellana | 916.59 mi (1,475.12 km) |
| Buckingham to Civitanova Marche | 908.17 mi (1,461.56 km) |
| Buckingham to Civitavecchia | 908.26 mi (1,461.71 km) |
| Buckingham to Civitella in Val di Chiana | 834.46 mi (1,342.94 km) |
| Buckingham to Clusone | 650.44 mi (1,046.79 km) |
| Buckingham to Coccaglio | 667.06 mi (1,073.53 km) |
| Buckingham to Codigoro | 776.39 mi (1,249.48 km) |
| Buckingham to Codogno | 678.31 mi (1,091.63 km) |
| Buckingham to Codroipo | 756.19 mi (1,216.98 km) |
| Buckingham to Cogoleto | 686.54 mi (1,104.89 km) |
| Buckingham to Colle di Val d'Elsa | 816.63 mi (1,314.24 km) |
| Buckingham to Colle Salvetti | 785.46 mi (1,264.07 km) |
| Buckingham to Collecchio | 716.10 mi (1,152.45 km) |
| Buckingham to Colleferro | 966.41 mi (1,555.29 km) |
