| Omagh to Cadiz | 1,248.37 mi (2,009.06 km) |
| Omagh to Calafell | 1,010.21 mi (1,625.78 km) |
| Omagh to Calahorra | 882.87 mi (1,420.85 km) |
| Omagh to Calasparra | 1,160.36 mi (1,867.42 km) |
| Omagh to Calatayud | 950.71 mi (1,530.03 km) |
| Omagh to Caldas de Montbuy | 993.86 mi (1,599.46 km) |
| Omagh to Caldas de Reyes | 830.48 mi (1,336.53 km) |
| Omagh to Calella | 1,004.90 mi (1,617.23 km) |
| Omagh to Callosa de Segura | 1,176.94 mi (1,894.10 km) |
| Omagh to Calpe | 1,153.85 mi (1,856.94 km) |
| Omagh to Calvia | 1,133.28 mi (1,823.83 km) |
| Omagh to Camas | 1,189.06 mi (1,913.60 km) |
| Omagh to Cambados | 838.14 mi (1,348.85 km) |
| Omagh to Cambre | 782.65 mi (1,259.55 km) |
| Omagh to Cambrils | 1,009.70 mi (1,624.96 km) |
