| North Hykeham to Cocentaina | 997.61 mi (1,605.50 km) |
| North Hykeham to Coin | 1,158.71 mi (1,864.77 km) |
| North Hykeham to Colindres | 688.71 mi (1,108.37 km) |
| North Hykeham to Collado-Villalba | 881.76 mi (1,419.06 km) |
| North Hykeham to Colmenar Viejo | 878.03 mi (1,413.05 km) |
| North Hykeham to Colmenarejo | 886.78 mi (1,427.13 km) |
| North Hykeham to Conil de la Frontera | 1,198.67 mi (1,929.07 km) |
| North Hykeham to Consuegra | 958.71 mi (1,542.90 km) |
| North Hykeham to Corbera de Llobregat | 821.37 mi (1,321.86 km) |
| North Hykeham to Cordoba | 1,075.87 mi (1,731.44 km) |
| North Hykeham to Coria del Rio | 1,129.45 mi (1,817.67 km) |
| North Hykeham to Crevillente | 1,031.94 mi (1,660.75 km) |
| North Hykeham to Cuarte de Huerva | 801.63 mi (1,290.10 km) |
| North Hykeham to Cubellas | 833.95 mi (1,342.11 km) |
| North Hykeham to Cuellar | 832.31 mi (1,339.47 km) |
