| Sidmouth to Cividale del Friuli | 825.52 mi (1,328.55 km) |
| Sidmouth to Civita Castellana | 940.03 mi (1,512.83 km) |
| Sidmouth to Civitanova Marche | 945.21 mi (1,521.17 km) |
| Sidmouth to Civitavecchia | 927.05 mi (1,491.95 km) |
| Sidmouth to Civitella in Val di Chiana | 862.05 mi (1,387.33 km) |
| Sidmouth to Clusone | 689.68 mi (1,109.93 km) |
| Sidmouth to Coccaglio | 703.24 mi (1,131.75 km) |
| Sidmouth to Codigoro | 817.45 mi (1,315.56 km) |
| Sidmouth to Codogno | 708.91 mi (1,140.88 km) |
| Sidmouth to Codroipo | 811.10 mi (1,305.34 km) |
| Sidmouth to Cogoleto | 703.04 mi (1,131.44 km) |
| Sidmouth to Colle di Val d'Elsa | 840.80 mi (1,353.14 km) |
| Sidmouth to Colle Salvetti | 807.33 mi (1,299.27 km) |
| Sidmouth to Collecchio | 746.02 mi (1,200.60 km) |
| Sidmouth to Colleferro | 989.42 mi (1,592.31 km) |
