| Llantwit Major to Cividale del Friuli | 850.39 mi (1,368.56 km) |
| Llantwit Major to Civita Castellana | 975.93 mi (1,570.61 km) |
| Llantwit Major to Civitanova Marche | 977.23 mi (1,572.70 km) |
| Llantwit Major to Civitavecchia | 964.17 mi (1,551.68 km) |
| Llantwit Major to Civitella in Val di Chiana | 896.64 mi (1,443.00 km) |
| Llantwit Major to Clusone | 720.31 mi (1,159.22 km) |
| Llantwit Major to Coccaglio | 734.85 mi (1,182.63 km) |
| Llantwit Major to Codigoro | 847.93 mi (1,364.62 km) |
| Llantwit Major to Codogno | 742.19 mi (1,194.43 km) |
| Llantwit Major to Codroipo | 837.00 mi (1,347.02 km) |
| Llantwit Major to Cogoleto | 740.16 mi (1,191.17 km) |
| Llantwit Major to Colle di Val d'Elsa | 876.28 mi (1,410.24 km) |
| Llantwit Major to Colle Salvetti | 843.35 mi (1,357.23 km) |
| Llantwit Major to Collecchio | 779.62 mi (1,254.68 km) |
| Llantwit Major to Colleferro | 1,025.54 mi (1,650.44 km) |
