| Omagh to Roy (Utah) | 4,478.76 mi (7,207.86 km) |
| Omagh to Royal Kunia (Hawaii) | 6,907.45 mi (11,116.47 km) |
| Omagh to Royal Oak (Michigan) | 3,390.96 mi (5,457.23 km) |
| Omagh to Royal Palm Beach (Florida) | 4,062.06 mi (6,537.25 km) |
| Omagh to Royse City (Texas) | 4,362.33 mi (7,020.50 km) |
| Omagh to Ruskin (Florida) | 4,097.07 mi (6,593.59 km) |
| Omagh to Russellville (Alabama) | 3,955.40 mi (6,365.60 km) |
| Omagh to Russellville (Arkansas) | 4,122.98 mi (6,635.30 km) |
| Omagh to Ruston (Louisiana) | 4,245.72 mi (6,832.82 km) |
| Omagh to Rutherford (New Jersey) | 3,118.73 mi (5,019.12 km) |
| Omagh to Rutland (Vermont) | 2,950.50 mi (4,748.38 km) |
| Omagh to Sabana Grande (Puerto Rico) | 4,001.95 mi (6,440.51 km) |
| Omagh to Sachse (Texas) | 4,372.37 mi (7,036.65 km) |
| Omagh to Saco (Maine) | 2,855.19 mi (4,594.99 km) |
| Omagh to Sacramento (California) | 4,918.19 mi (7,915.06 km) |
