| Sligo to Calafell | 1,014.18 mi (1,632.17 km) |
| Sligo to Calahorra | 878.51 mi (1,413.83 km) |
| Sligo to Calasparra | 1,153.11 mi (1,855.76 km) |
| Sligo to Calatayud | 946.29 mi (1,522.90 km) |
| Sligo to Caldas de Montbuy | 999.96 mi (1,609.28 km) |
| Sligo to Caldas de Reyes | 805.93 mi (1,297.02 km) |
| Sligo to Calella | 1,012.21 mi (1,629.00 km) |
| Sligo to Callosa de Segura | 1,171.60 mi (1,885.50 km) |
| Sligo to Calpe | 1,151.16 mi (1,852.62 km) |
| Sligo to Calvia | 1,137.41 mi (1,830.49 km) |
| Sligo to Camas | 1,171.01 mi (1,884.56 km) |
| Sligo to Cambados | 813.13 mi (1,308.60 km) |
| Sligo to Cambre | 758.93 mi (1,221.38 km) |
| Sligo to Cambrils | 1,012.18 mi (1,628.95 km) |
| Sligo to Campo de Criptana | 1,057.28 mi (1,701.53 km) |
