| Witham to Cividale del Friuli | 699.96 mi (1,126.47 km) |
| Witham to Civita Castellana | 857.02 mi (1,379.23 km) |
| Witham to Civitanova Marche | 844.81 mi (1,359.60 km) |
| Witham to Civitavecchia | 850.16 mi (1,368.20 km) |
| Witham to Civitella in Val di Chiana | 773.99 mi (1,245.62 km) |
| Witham to Clusone | 587.65 mi (945.73 km) |
| Witham to Coccaglio | 605.01 mi (973.67 km) |
| Witham to Codigoro | 712.47 mi (1,146.61 km) |
| Witham to Codogno | 617.81 mi (994.27 km) |
| Witham to Codroipo | 689.21 mi (1,109.18 km) |
| Witham to Cogoleto | 630.55 mi (1,014.77 km) |
| Witham to Colle di Val d'Elsa | 757.28 mi (1,218.72 km) |
| Witham to Colle Salvetti | 726.99 mi (1,169.98 km) |
| Witham to Collecchio | 655.57 mi (1,055.03 km) |
| Witham to Colleferro | 906.78 mi (1,459.31 km) |
