| Omagh to Reidsville (North Carolina) | 3,549.75 mi (5,712.77 km) |
| Omagh to Reisterstown (Maryland) | 3,288.16 mi (5,291.78 km) |
| Omagh to Rendon (Texas) | 4,417.75 mi (7,109.68 km) |
| Omagh to Reno (Nevada) | 4,813.12 mi (7,745.96 km) |
| Omagh to Renton (Washington) | 4,433.29 mi (7,134.70 km) |
| Omagh to Republic (Missouri) | 4,039.08 mi (6,500.27 km) |
| Omagh to Reston (Virginia) | 3,332.80 mi (5,363.62 km) |
| Omagh to Revere (Massachusetts) | 2,925.17 mi (4,707.60 km) |
| Omagh to Rexburg (Idaho) | 4,327.63 mi (6,964.65 km) |
| Omagh to Reynoldsburg (Ohio) | 3,496.74 mi (5,627.46 km) |
| Omagh to Rialto (California) | 5,044.13 mi (8,117.74 km) |
| Omagh to Richardson (Texas) | 4,377.31 mi (7,044.60 km) |
| Omagh to Richfield (Minnesota) | 3,652.31 mi (5,877.82 km) |
| Omagh to Richfield (Wisconsin) | 3,547.24 mi (5,708.74 km) |
| Omagh to Richland (Washington) | 4,419.06 mi (7,111.80 km) |
