| Prestwick to Cividale del Friuli | 1,015.80 mi (1,634.78 km) |
| Prestwick to Civita Castellana | 1,189.18 mi (1,913.80 km) |
| Prestwick to Civitanova Marche | 1,172.28 mi (1,886.61 km) |
| Prestwick to Civitavecchia | 1,183.24 mi (1,904.23 km) |
| Prestwick to Civitella in Val di Chiana | 1,105.53 mi (1,779.18 km) |
| Prestwick to Clusone | 917.04 mi (1,475.84 km) |
| Prestwick to Coccaglio | 935.32 mi (1,505.25 km) |
| Prestwick to Codigoro | 1,039.41 mi (1,672.76 km) |
| Prestwick to Codogno | 949.66 mi (1,528.33 km) |
| Prestwick to Codroipo | 1,007.78 mi (1,621.86 km) |
| Prestwick to Cogoleto | 964.30 mi (1,551.89 km) |
| Prestwick to Colle di Val d'Elsa | 1,089.73 mi (1,753.75 km) |
| Prestwick to Colle Salvetti | 1,060.00 mi (1,705.91 km) |
| Prestwick to Collecchio | 987.29 mi (1,588.88 km) |
| Prestwick to Colleferro | 1,238.83 mi (1,993.70 km) |
