| Omagh to Carpentras | 912.93 mi (1,469.22 km) |
| Omagh to Carquefou | 563.12 mi (906.25 km) |
| Omagh to Carqueiranne | 996.50 mi (1,603.71 km) |
| Omagh to Carrieres-sous-Poissy | 556.87 mi (896.19 km) |
| Omagh to Carrieres-sur-Seine | 566.41 mi (911.54 km) |
| Omagh to Carros | 989.35 mi (1,592.21 km) |
| Omagh to Carvin | 514.57 mi (828.13 km) |
| Omagh to Castanet-Tolosan | 860.93 mi (1,385.53 km) |
| Omagh to Castelginest | 848.37 mi (1,365.32 km) |
| Omagh to Castelnau-le-Lez | 908.05 mi (1,461.36 km) |
| Omagh to Castelnaudary | 882.84 mi (1,420.80 km) |
| Omagh to Castelsarrasin | 819.87 mi (1,319.46 km) |
| Omagh to Castres | 871.65 mi (1,402.79 km) |
| Omagh to Caudebec-les-Elbeuf | 509.17 mi (819.42 km) |
| Omagh to Caudry | 545.99 mi (878.69 km) |
