| Helsinki to Coin | 2,083.58 mi (3,353.20 km) |
| Helsinki to Colindres | 1,653.87 mi (2,661.64 km) |
| Helsinki to Collado-Villalba | 1,828.02 mi (2,941.92 km) |
| Helsinki to Colmenar Viejo | 1,819.68 mi (2,928.49 km) |
| Helsinki to Colmenarejo | 1,832.48 mi (2,949.10 km) |
| Helsinki to Conil de la Frontera | 2,144.20 mi (3,450.76 km) |
| Helsinki to Consuegra | 1,885.44 mi (3,034.32 km) |
| Helsinki to Corbera de Llobregat | 1,621.91 mi (2,610.21 km) |
| Helsinki to Cordoba | 2,011.46 mi (3,237.12 km) |
| Helsinki to Coria del Rio | 2,082.59 mi (3,351.61 km) |
| Helsinki to Crevillente | 1,883.71 mi (3,031.53 km) |
| Helsinki to Cuarte de Huerva | 1,686.71 mi (2,714.49 km) |
| Helsinki to Cubellas | 1,640.92 mi (2,640.80 km) |
| Helsinki to Cuellar | 1,792.38 mi (2,884.56 km) |
| Helsinki to Cuenca | 1,809.74 mi (2,912.49 km) |
