| Mount Vernon to Cividale del Friuli | 4,159.61 mi (6,694.25 km) |
| Mount Vernon to Civita Castellana | 4,248.15 mi (6,836.73 km) |
| Mount Vernon to Civitanova Marche | 4,269.98 mi (6,871.87 km) |
| Mount Vernon to Civitavecchia | 4,228.26 mi (6,804.73 km) |
| Mount Vernon to Civitella in Val di Chiana | 4,178.63 mi (6,724.86 km) |
| Mount Vernon to Clusone | 4,020.15 mi (6,469.81 km) |
| Mount Vernon to Coccaglio | 4,031.72 mi (6,488.43 km) |
| Mount Vernon to Codigoro | 4,147.25 mi (6,674.36 km) |
| Mount Vernon to Codogno | 4,033.14 mi (6,490.71 km) |
| Mount Vernon to Codroipo | 4,145.32 mi (6,671.26 km) |
| Mount Vernon to Cogoleto | 4,012.37 mi (6,457.29 km) |
| Mount Vernon to Colle di Val d'Elsa | 4,153.82 mi (6,684.92 km) |
| Mount Vernon to Colle Salvetti | 4,118.66 mi (6,628.34 km) |
| Mount Vernon to Collecchio | 4,068.61 mi (6,547.80 km) |
| Mount Vernon to Colleferro | 4,294.92 mi (6,912.00 km) |
