| Cities | Distance |
|---|---|
| Omagh to Opwijk | 540.05 mi (869.12 km) |
| Omagh to Ostend | 484.14 mi (779.14 km) |
| Omagh to Oud-Heverlee | 562.79 mi (905.73 km) |
| Omagh to Oud-Turnhout | 557.75 mi (897.60 km) |
| Omagh to Oudenaarde | 523.10 mi (841.85 km) |
| Omagh to Oudenburg | 488.66 mi (786.42 km) |
| Omagh to Oupeye | 603.62 mi (971.44 km) |
| Omagh to Overijse | 559.72 mi (900.78 km) |
| Omagh to Overpelt | 577.50 mi (929.39 km) |
| Omagh to Paal | 574.31 mi (924.27 km) |
| Omagh to Peer | 581.70 mi (936.16 km) |
| Omagh to Pepinster | 615.23 mi (990.12 km) |
| Omagh to Peruwelz | 535.66 mi (862.06 km) |
| Omagh to Perwez | 576.04 mi (927.05 km) |
| Omagh to Philippeville | 583.01 mi (938.27 km) |