| McDonough to Corato | 5,228.06 mi (8,413.74 km) |
| McDonough to Corbetta | 4,754.13 mi (7,651.03 km) |
| McDonough to Corciano | 4,976.78 mi (8,009.36 km) |
| McDonough to Cordenons | 4,899.11 mi (7,884.35 km) |
| McDonough to Cori | 5,055.68 mi (8,136.32 km) |
| McDonough to Coriano | 4,962.42 mi (7,986.25 km) |
| McDonough to Corigliano Calabro | 5,290.53 mi (8,514.29 km) |
| McDonough to Corleone | 5,208.30 mi (8,381.95 km) |
| McDonough to Cormano | 4,762.35 mi (7,664.27 km) |
| McDonough to Cornaredo | 4,758.14 mi (7,657.49 km) |
| McDonough to Cornate d'Adda | 4,772.17 mi (7,680.07 km) |
| McDonough to Cornedo Vicentino | 4,853.95 mi (7,811.68 km) |
| McDonough to Correggio | 4,857.02 mi (7,816.61 km) |
| McDonough to Corridonia | 5,026.78 mi (8,089.81 km) |
| McDonough to Corsico | 4,763.83 mi (7,666.64 km) |
