| Friendly to Cividale del Friuli | 4,382.29 mi (7,052.62 km) |
| Friendly to Civita Castellana | 4,469.21 mi (7,192.50 km) |
| Friendly to Civitanova Marche | 4,491.77 mi (7,228.81 km) |
| Friendly to Civitavecchia | 4,449.08 mi (7,160.10 km) |
| Friendly to Civitella in Val di Chiana | 4,400.10 mi (7,081.28 km) |
| Friendly to Clusone | 4,242.36 mi (6,827.42 km) |
| Friendly to Coccaglio | 4,253.82 mi (6,845.86 km) |
| Friendly to Codigoro | 4,369.38 mi (7,031.84 km) |
| Friendly to Codogno | 4,255.03 mi (6,847.81 km) |
| Friendly to Codroipo | 4,367.92 mi (7,029.49 km) |
| Friendly to Cogoleto | 4,233.72 mi (6,813.52 km) |
| Friendly to Colle di Val d'Elsa | 4,375.16 mi (7,041.14 km) |
| Friendly to Colle Salvetti | 4,339.97 mi (6,984.51 km) |
| Friendly to Collecchio | 4,290.41 mi (6,904.75 km) |
| Friendly to Colleferro | 4,515.83 mi (7,267.53 km) |
