| Mason to Cividale del Friuli | 4,654.84 mi (7,491.24 km) |
| Mason to Civita Castellana | 4,760.89 mi (7,661.91 km) |
| Mason to Civitanova Marche | 4,776.41 mi (7,686.89 km) |
| Mason to Civitavecchia | 4,742.82 mi (7,632.84 km) |
| Mason to Civitella in Val di Chiana | 4,688.29 mi (7,545.08 km) |
| Mason to Clusone | 4,522.70 mi (7,278.58 km) |
| Mason to Coccaglio | 4,535.61 mi (7,299.36 km) |
| Mason to Codigoro | 4,650.42 mi (7,484.12 km) |
| Mason to Codogno | 4,539.22 mi (7,305.17 km) |
| Mason to Codroipo | 4,642.02 mi (7,470.61 km) |
| Mason to Cogoleto | 4,523.46 mi (7,279.80 km) |
| Mason to Colle di Val d'Elsa | 4,664.58 mi (7,506.92 km) |
| Mason to Colle Salvetti | 4,629.77 mi (7,450.90 km) |
| Mason to Collecchio | 4,575.53 mi (7,363.60 km) |
| Mason to Colleferro | 4,808.67 mi (7,738.81 km) |
