| Horbury to Cividale del Friuli | 844.61 mi (1,359.27 km) |
| Horbury to Civita Castellana | 1,013.00 mi (1,630.26 km) |
| Horbury to Civitanova Marche | 997.32 mi (1,605.03 km) |
| Horbury to Civitavecchia | 1,006.95 mi (1,620.53 km) |
| Horbury to Civitella in Val di Chiana | 929.46 mi (1,495.82 km) |
| Horbury to Clusone | 741.41 mi (1,193.19 km) |
| Horbury to Coccaglio | 759.48 mi (1,222.26 km) |
| Horbury to Codigoro | 864.53 mi (1,391.33 km) |
| Horbury to Codogno | 773.51 mi (1,244.84 km) |
| Horbury to Codroipo | 835.62 mi (1,344.80 km) |
| Horbury to Cogoleto | 788.21 mi (1,268.50 km) |
| Horbury to Colle di Val d'Elsa | 913.50 mi (1,470.14 km) |
| Horbury to Colle Salvetti | 883.72 mi (1,422.21 km) |
| Horbury to Collecchio | 811.16 mi (1,305.44 km) |
| Horbury to Colleferro | 1,062.67 mi (1,710.20 km) |
