| Cities | Distance |
|---|---|
| Omagh to Nuth | 605.31 mi (974.15 km) |
| Omagh to Oegstgeest | 511.48 mi (823.15 km) |
| Omagh to Oirschot | 563.87 mi (907.47 km) |
| Omagh to Oisterwijk | 557.43 mi (897.10 km) |
| Omagh to Oldebroek | 560.70 mi (902.36 km) |
| Omagh to Oldenzaal | 604.73 mi (973.22 km) |
| Omagh to Ommen | 579.53 mi (932.66 km) |
| Omagh to Oosterend | 555.08 mi (893.32 km) |
| Omagh to Oosterhout | 542.43 mi (872.96 km) |
| Omagh to Oosterwolde | 564.31 mi (908.17 km) |
| Omagh to Oostzaan | 521.12 mi (838.67 km) |
| Omagh to Opmeer | 517.31 mi (832.52 km) |
| Omagh to Oss | 564.07 mi (907.79 km) |
| Omagh to Oud-Beijerland | 519.58 mi (836.18 km) |
| Omagh to Oudenbosch | 531.42 mi (855.24 km) |