| Omagh to Cernavoda | 1,713.87 mi (2,758.21 km) |
| Omagh to Chitila | 1,626.04 mi (2,616.86 km) |
| Omagh to Cisnadie | 1,504.80 mi (2,421.75 km) |
| Omagh to Cluj-Napoca | 1,441.27 mi (2,319.49 km) |
| Omagh to Codlea | 1,556.37 mi (2,504.73 km) |
| Omagh to Comanesti | 1,567.70 mi (2,522.96 km) |
| Omagh to Comarnic | 1,581.82 mi (2,545.69 km) |
| Omagh to Constanta | 1,744.69 mi (2,807.80 km) |
| Omagh to Corabia | 1,599.74 mi (2,574.53 km) |
| Omagh to Costesti | 1,576.13 mi (2,536.54 km) |
| Omagh to Covasna | 1,579.66 mi (2,542.21 km) |
| Omagh to Craiova | 1,548.96 mi (2,492.80 km) |
| Omagh to Cristuru Secuiesc | 1,516.89 mi (2,441.21 km) |
| Omagh to Cugir | 1,468.66 mi (2,363.58 km) |
| Omagh to Cumpana | 1,743.88 mi (2,806.50 km) |
