| Heysham to Cividale del Friuli | 905.05 mi (1,456.53 km) |
| Heysham to Civita Castellana | 1,070.72 mi (1,723.16 km) |
| Heysham to Civitanova Marche | 1,056.54 mi (1,700.34 km) |
| Heysham to Civitavecchia | 1,064.04 mi (1,712.41 km) |
| Heysham to Civitella in Val di Chiana | 987.49 mi (1,589.21 km) |
| Heysham to Clusone | 800.16 mi (1,287.73 km) |
| Heysham to Coccaglio | 817.96 mi (1,316.37 km) |
| Heysham to Codigoro | 923.85 mi (1,486.79 km) |
| Heysham to Codogno | 831.38 mi (1,337.98 km) |
| Heysham to Codroipo | 895.89 mi (1,441.80 km) |
| Heysham to Cogoleto | 844.19 mi (1,358.59 km) |
| Heysham to Colle di Val d'Elsa | 971.05 mi (1,562.76 km) |
| Heysham to Colle Salvetti | 940.87 mi (1,514.18 km) |
| Heysham to Collecchio | 869.10 mi (1,398.68 km) |
| Heysham to Colleferro | 1,120.46 mi (1,803.20 km) |
