| Omagh to Red Bank (New Jersey) | 3,138.82 mi (5,051.45 km) |
| Omagh to Red Bank (Tennessee) | 3,830.49 mi (6,164.58 km) |
| Omagh to Red Bluff (California) | 4,849.20 mi (7,804.04 km) |
| Omagh to Red Hill (South Carolina) | 3,650.17 mi (5,874.38 km) |
| Omagh to Red Oak (Texas) | 4,403.94 mi (7,087.46 km) |
| Omagh to Red Wing (Minnesota) | 3,642.12 mi (5,861.43 km) |
| Omagh to Redan (Georgia) | 3,855.34 mi (6,204.57 km) |
| Omagh to Redding (California) | 4,830.13 mi (7,773.34 km) |
| Omagh to Redland (Maryland) | 3,316.28 mi (5,337.03 km) |
| Omagh to Redlands (California) | 5,040.79 mi (8,112.37 km) |
| Omagh to Redmond (Oregon) | 4,585.96 mi (7,380.40 km) |
| Omagh to Redmond (Washington) | 4,420.16 mi (7,113.56 km) |
| Omagh to Redondo Beach (California) | 5,090.95 mi (8,193.09 km) |
| Omagh to Redwood City (California) | 5,002.27 mi (8,050.38 km) |
| Omagh to Reedley (California) | 4,968.61 mi (7,996.20 km) |
