| Mariehamn to Calafell | 1,522.13 mi (2,449.63 km) |
| Mariehamn to Calahorra | 1,537.51 mi (2,474.38 km) |
| Mariehamn to Calasparra | 1,781.38 mi (2,866.85 km) |
| Mariehamn to Calatayud | 1,586.84 mi (2,553.78 km) |
| Mariehamn to Caldas de Montbuy | 1,482.05 mi (2,385.12 km) |
| Mariehamn to Caldas de Reyes | 1,701.48 mi (2,738.27 km) |
| Mariehamn to Calella | 1,472.49 mi (2,369.74 km) |
| Mariehamn to Callosa de Segura | 1,769.63 mi (2,847.94 km) |
| Mariehamn to Calpe | 1,716.30 mi (2,762.11 km) |
| Mariehamn to Calvia | 1,606.12 mi (2,584.79 km) |
| Mariehamn to Camas | 1,937.74 mi (3,118.50 km) |
| Mariehamn to Cambados | 1,712.01 mi (2,755.22 km) |
| Mariehamn to Cambre | 1,654.18 mi (2,662.15 km) |
| Mariehamn to Cambrils | 1,541.75 mi (2,481.20 km) |
| Mariehamn to Campo de Criptana | 1,742.41 mi (2,804.14 km) |
