| McDonough to Cocentaina | 4,519.10 mi (7,272.78 km) |
| McDonough to Coin | 4,360.87 mi (7,018.14 km) |
| McDonough to Colindres | 4,251.91 mi (6,842.79 km) |
| McDonough to Collado-Villalba | 4,293.62 mi (6,909.92 km) |
| McDonough to Colmenar Viejo | 4,304.79 mi (6,927.88 km) |
| McDonough to Colmenarejo | 4,295.05 mi (6,912.21 km) |
| McDonough to Conil de la Frontera | 4,303.41 mi (6,925.67 km) |
| McDonough to Consuegra | 4,343.61 mi (6,990.36 km) |
| McDonough to Corbera de Llobregat | 4,557.70 mi (7,334.91 km) |
| McDonough to Cordoba | 4,326.71 mi (6,963.17 km) |
| McDonough to Coria del Rio | 4,278.23 mi (6,885.15 km) |
| McDonough to Crevillente | 4,514.99 mi (7,266.18 km) |
| McDonough to Cuarte de Huerva | 4,417.96 mi (7,110.02 km) |
| McDonough to Cubellas | 4,551.37 mi (7,324.73 km) |
| McDonough to Cuellar | 4,259.52 mi (6,855.03 km) |
