| Antrim to Cocentaina | 1,135.90 mi (1,828.05 km) |
| Antrim to Coin | 1,249.08 mi (2,010.21 km) |
| Antrim to Colindres | 791.92 mi (1,274.47 km) |
| Antrim to Collado-Villalba | 978.34 mi (1,574.48 km) |
| Antrim to Colmenar Viejo | 977.79 mi (1,573.61 km) |
| Antrim to Colmenarejo | 983.29 mi (1,582.45 km) |
| Antrim to Conil de la Frontera | 1,274.83 mi (2,051.63 km) |
| Antrim to Consuegra | 1,060.93 mi (1,707.40 km) |
| Antrim to Corbera de Llobregat | 991.22 mi (1,595.22 km) |
| Antrim to Cordoba | 1,164.96 mi (1,874.83 km) |
| Antrim to Coria del Rio | 1,204.60 mi (1,938.61 km) |
| Antrim to Crevillente | 1,165.63 mi (1,875.89 km) |
| Antrim to Cuarte de Huerva | 938.98 mi (1,511.14 km) |
| Antrim to Cubellas | 1,000.42 mi (1,610.03 km) |
| Antrim to Cuellar | 924.12 mi (1,487.23 km) |
