| Omagh to Ridgeland (Mississippi) | 4,155.63 mi (6,687.84 km) |
| Omagh to Ridgewood (New Jersey) | 3,111.64 mi (5,007.70 km) |
| Omagh to Rifle (Colorado) | 4,425.74 mi (7,122.55 km) |
| Omagh to Rincon (Georgia) | 3,813.04 mi (6,136.49 km) |
| Omagh to Ringwood (New Jersey) | 3,112.35 mi (5,008.85 km) |
| Omagh to Río Grande (Puerto Rico) | 3,941.88 mi (6,343.85 km) |
| Omagh to Rio Grande City (Texas) | 4,810.16 mi (7,741.21 km) |
| Omagh to Rio Linda (California) | 4,910.52 mi (7,902.72 km) |
| Omagh to Rio Rancho (New Mexico) | 4,617.30 mi (7,430.83 km) |
| Omagh to Rio Rico (Arizona) | 4,975.63 mi (8,007.50 km) |
| Omagh to Ripon (California) | 4,955.30 mi (7,974.79 km) |
| Omagh to River Edge (New Jersey) | 3,111.25 mi (5,007.07 km) |
| Omagh to River Falls (Wisconsin) | 3,629.63 mi (5,841.32 km) |
| Omagh to River Forest (Illinois) | 3,595.09 mi (5,785.74 km) |
| Omagh to River Grove (Illinois) | 3,594.38 mi (5,784.60 km) |
