| McDonough to Cividale del Friuli | 4,925.98 mi (7,927.60 km) |
| McDonough to Civita Castellana | 5,010.86 mi (8,064.20 km) |
| McDonough to Civitanova Marche | 5,034.47 mi (8,102.20 km) |
| McDonough to Civitavecchia | 4,990.36 mi (8,031.20 km) |
| McDonough to Civitella in Val di Chiana | 4,942.35 mi (7,953.95 km) |
| McDonough to Clusone | 4,785.60 mi (7,701.68 km) |
| McDonough to Coccaglio | 4,796.92 mi (7,719.89 km) |
| McDonough to Codigoro | 4,912.52 mi (7,905.93 km) |
| McDonough to Codogno | 4,797.88 mi (7,721.43 km) |
| McDonough to Codroipo | 4,911.55 mi (7,904.37 km) |
| McDonough to Cogoleto | 4,775.83 mi (7,685.95 km) |
| McDonough to Colle di Val d'Elsa | 4,917.24 mi (7,913.54 km) |
| McDonough to Colle Salvetti | 4,882.01 mi (7,856.84 km) |
| McDonough to Collecchio | 4,833.13 mi (7,778.18 km) |
| McDonough to Colleferro | 5,057.24 mi (8,138.84 km) |
