| Omagh to Cabestany | 944.06 mi (1,519.31 km) |
| Omagh to Cabries | 957.63 mi (1,541.16 km) |
| Omagh to Cachan | 573.80 mi (923.43 km) |
| Omagh to Caen | 475.79 mi (765.70 km) |
| Omagh to Cagnes-sur-Mer | 994.12 mi (1,599.88 km) |
| Omagh to Cahors | 801.39 mi (1,289.71 km) |
| Omagh to Calais | 457.17 mi (735.75 km) |
| Omagh to Caluire-et-Cuire | 808.60 mi (1,301.32 km) |
| Omagh to Cambrai | 537.67 mi (865.29 km) |
| Omagh to Canet-en-Roussillon | 943.93 mi (1,519.11 km) |
| Omagh to Cannes | 996.56 mi (1,603.81 km) |
| Omagh to Canteleu | 500.76 mi (805.90 km) |
| Omagh to Capbreton | 800.80 mi (1,288.76 km) |
| Omagh to Carcassonne | 898.09 mi (1,445.34 km) |
| Omagh to Carmaux | 841.82 mi (1,354.78 km) |
