| Killarney to Coin | 1,088.54 mi (1,751.84 km) |
| Killarney to Colindres | 660.87 mi (1,063.57 km) |
| Killarney to Collado-Villalba | 831.25 mi (1,337.76 km) |
| Killarney to Colmenar Viejo | 833.22 mi (1,340.94 km) |
| Killarney to Colmenarejo | 835.93 mi (1,345.29 km) |
| Killarney to Conil de la Frontera | 1,103.93 mi (1,776.60 km) |
| Killarney to Consuegra | 914.90 mi (1,472.39 km) |
| Killarney to Corbera de Llobregat | 910.93 mi (1,466.00 km) |
| Killarney to Cordoba | 1,005.69 mi (1,618.51 km) |
| Killarney to Coria del Rio | 1,034.62 mi (1,665.06 km) |
| Killarney to Crevillente | 1,042.31 mi (1,677.44 km) |
| Killarney to Cuarte de Huerva | 828.63 mi (1,333.56 km) |
| Killarney to Cubellas | 916.02 mi (1,474.20 km) |
| Killarney to Cuellar | 775.87 mi (1,248.65 km) |
| Killarney to Cuenca | 899.40 mi (1,447.45 km) |
