| Morriston to Cividale del Friuli | 875.06 mi (1,408.28 km) |
| Morriston to Civita Castellana | 1,002.44 mi (1,613.27 km) |
| Morriston to Civitanova Marche | 1,003.24 mi (1,614.57 km) |
| Morriston to Civitavecchia | 990.78 mi (1,594.51 km) |
| Morriston to Civitella in Val di Chiana | 923.01 mi (1,485.44 km) |
| Morriston to Clusone | 746.16 mi (1,200.83 km) |
| Morriston to Coccaglio | 760.85 mi (1,224.47 km) |
| Morriston to Codigoro | 873.72 mi (1,406.12 km) |
| Morriston to Codogno | 768.42 mi (1,236.65 km) |
| Morriston to Codroipo | 861.91 mi (1,387.11 km) |
| Morriston to Cogoleto | 766.79 mi (1,234.03 km) |
| Morriston to Colle di Val d'Elsa | 902.76 mi (1,452.85 km) |
| Morriston to Colle Salvetti | 869.88 mi (1,399.93 km) |
| Morriston to Collecchio | 805.89 mi (1,296.96 km) |
| Morriston to Colleferro | 1,052.06 mi (1,693.13 km) |
