| Northport to Cocentaina | 4,694.27 mi (7,554.71 km) |
| Northport to Coin | 4,541.72 mi (7,309.20 km) |
| Northport to Colindres | 4,420.49 mi (7,114.09 km) |
| Northport to Collado-Villalba | 4,467.63 mi (7,189.96 km) |
| Northport to Colmenar Viejo | 4,478.62 mi (7,207.65 km) |
| Northport to Colmenarejo | 4,469.19 mi (7,192.47 km) |
| Northport to Conil de la Frontera | 4,485.54 mi (7,218.78 km) |
| Northport to Consuegra | 4,519.41 mi (7,273.29 km) |
| Northport to Corbera de Llobregat | 4,726.80 mi (7,607.04 km) |
| Northport to Cordoba | 4,505.72 mi (7,251.26 km) |
| Northport to Coria del Rio | 4,458.83 mi (7,175.80 km) |
| Northport to Crevillente | 4,691.20 mi (7,549.75 km) |
| Northport to Cuarte de Huerva | 4,588.51 mi (7,384.49 km) |
| Northport to Cubellas | 4,721.01 mi (7,597.73 km) |
| Northport to Cuellar | 4,432.33 mi (7,133.14 km) |
