| Tadley to Cividale del Friuli | 754.86 mi (1,214.83 km) |
| Tadley to Civita Castellana | 892.65 mi (1,436.58 km) |
| Tadley to Civitanova Marche | 888.47 mi (1,429.85 km) |
| Tadley to Civitavecchia | 882.94 mi (1,420.95 km) |
| Tadley to Civitella in Val di Chiana | 811.59 mi (1,306.12 km) |
| Tadley to Clusone | 630.71 mi (1,015.02 km) |
| Tadley to Coccaglio | 646.38 mi (1,040.25 km) |
| Tadley to Codigoro | 757.69 mi (1,219.39 km) |
| Tadley to Codogno | 655.88 mi (1,055.54 km) |
| Tadley to Codroipo | 742.33 mi (1,194.66 km) |
| Tadley to Cogoleto | 659.93 mi (1,062.05 km) |
| Tadley to Colle di Val d'Elsa | 792.67 mi (1,275.68 km) |
| Tadley to Colle Salvetti | 760.72 mi (1,224.27 km) |
| Tadley to Collecchio | 693.60 mi (1,116.24 km) |
| Tadley to Colleferro | 942.44 mi (1,516.72 km) |
