| North Hykeham to Cividale del Friuli | 793.31 mi (1,276.70 km) |
| North Hykeham to Civita Castellana | 961.58 mi (1,547.51 km) |
| North Hykeham to Civitanova Marche | 945.61 mi (1,521.80 km) |
| North Hykeham to Civitavecchia | 955.76 mi (1,538.15 km) |
| North Hykeham to Civitella in Val di Chiana | 877.95 mi (1,412.93 km) |
| North Hykeham to Clusone | 689.76 mi (1,110.06 km) |
| North Hykeham to Coccaglio | 707.87 mi (1,139.21 km) |
| North Hykeham to Codigoro | 812.82 mi (1,308.10 km) |
| North Hykeham to Codogno | 722.06 mi (1,162.05 km) |
| North Hykeham to Codroipo | 784.15 mi (1,261.97 km) |
| North Hykeham to Cogoleto | 737.53 mi (1,186.93 km) |
| North Hykeham to Colle di Val d'Elsa | 862.15 mi (1,387.49 km) |
| North Hykeham to Colle Salvetti | 832.52 mi (1,339.81 km) |
| North Hykeham to Collecchio | 759.69 mi (1,222.61 km) |
| North Hykeham to Colleferro | 1,011.23 mi (1,627.42 km) |
