| Omagh to Romeoville (Illinois) | 3,618.09 mi (5,822.76 km) |
| Omagh to Romulus (Michigan) | 3,412.18 mi (5,491.38 km) |
| Omagh to Ronkonkoma (New York) | 3,080.90 mi (4,958.22 km) |
| Omagh to Roosevelt (New York) | 3,104.62 mi (4,996.40 km) |
| Omagh to Rosamond (California) | 5,028.29 mi (8,092.25 km) |
| Omagh to Rosaryville (Maryland) | 3,321.01 mi (5,344.65 km) |
| Omagh to Roscoe (Illinois) | 3,613.97 mi (5,816.12 km) |
| Omagh to Rose Hill (Virginia) | 3,331.14 mi (5,360.96 km) |
| Omagh to Roseburg (Oregon) | 4,706.64 mi (7,574.60 km) |
| Omagh to Rosedale (California) | 5,030.08 mi (8,095.12 km) |
| Omagh to Rosedale (Maryland) | 3,282.18 mi (5,282.16 km) |
| Omagh to Roselle (Illinois) | 3,600.94 mi (5,795.15 km) |
| Omagh to Roselle (New Jersey) | 3,132.45 mi (5,041.18 km) |
| Omagh to Roselle Park (New Jersey) | 3,132.13 mi (5,040.68 km) |
| Omagh to Rosemead (California) | 5,069.39 mi (8,158.39 km) |
