| Hemel Hempstead to Cividale del Friuli | 740.36 mi (1,191.50 km) |
| Hemel Hempstead to Civita Castellana | 889.00 mi (1,430.71 km) |
| Hemel Hempstead to Civitanova Marche | 880.50 mi (1,417.02 km) |
| Hemel Hempstead to Civitavecchia | 880.78 mi (1,417.47 km) |
| Hemel Hempstead to Civitella in Val di Chiana | 806.82 mi (1,298.45 km) |
| Hemel Hempstead to Clusone | 622.76 mi (1,002.24 km) |
| Hemel Hempstead to Coccaglio | 639.38 mi (1,028.97 km) |
| Hemel Hempstead to Codigoro | 748.73 mi (1,204.97 km) |
| Hemel Hempstead to Codogno | 650.66 mi (1,047.13 km) |
| Hemel Hempstead to Codroipo | 728.87 mi (1,173.00 km) |
| Hemel Hempstead to Cogoleto | 659.22 mi (1,060.92 km) |
| Hemel Hempstead to Colle di Val d'Elsa | 789.05 mi (1,269.85 km) |
| Hemel Hempstead to Colle Salvetti | 757.93 mi (1,219.77 km) |
| Hemel Hempstead to Collecchio | 688.45 mi (1,107.95 km) |
| Hemel Hempstead to Colleferro | 938.82 mi (1,510.89 km) |
