| Omagh to Robertsville (New Jersey) | 3,148.14 mi (5,066.43 km) |
| Omagh to Robinson (Texas) | 4,473.17 mi (7,198.87 km) |
| Omagh to Robstown (Texas) | 4,689.62 mi (7,547.21 km) |
| Omagh to Rochester (Michigan) | 3,381.45 mi (5,441.92 km) |
| Omagh to Rochester (Minnesota) | 3,664.61 mi (5,897.62 km) |
| Omagh to Rochester (New Hampshire) | 2,885.79 mi (4,644.22 km) |
| Omagh to Rochester (New York) | 3,149.52 mi (5,068.67 km) |
| Omagh to Rochester Hills (Michigan) | 3,383.85 mi (5,445.78 km) |
| Omagh to Rock Hill (South Carolina) | 3,671.74 mi (5,909.10 km) |
| Omagh to Rock Island (Illinois) | 3,718.03 mi (5,983.58 km) |
| Omagh to Rock Springs (Wyoming) | 4,364.03 mi (7,023.23 km) |
| Omagh to Rockford (Illinois) | 3,623.94 mi (5,832.16 km) |
| Omagh to Rockledge (Florida) | 3,997.79 mi (6,433.83 km) |
| Omagh to Rocklin (California) | 4,897.83 mi (7,882.30 km) |
| Omagh to Rockport (Texas) | 4,654.12 mi (7,490.09 km) |
