| San Gwann to Cividale del Friuli | 706.19 mi (1,136.50 km) |
| San Gwann to Civita Castellana | 454.96 mi (732.19 km) |
| San Gwann to Civitanova Marche | 512.17 mi (824.26 km) |
| San Gwann to Civitavecchia | 451.19 mi (726.12 km) |
| San Gwann to Civitella in Val di Chiana | 539.02 mi (867.46 km) |
| San Gwann to Clusone | 728.26 mi (1,172.03 km) |
| San Gwann to Coccaglio | 707.10 mi (1,137.97 km) |
| San Gwann to Codigoro | 628.91 mi (1,012.14 km) |
| San Gwann to Codogno | 686.22 mi (1,104.37 km) |
| San Gwann to Codroipo | 698.96 mi (1,124.87 km) |
| San Gwann to Cogoleto | 661.51 mi (1,064.60 km) |
| San Gwann to Colle di Val d'Elsa | 547.16 mi (880.57 km) |
| San Gwann to Colle Salvetti | 571.99 mi (920.53 km) |
| San Gwann to Collecchio | 650.52 mi (1,046.91 km) |
| San Gwann to Colleferro | 410.00 mi (659.83 km) |
