| Isperih to Rockville (Maryland) | 5,011.85 mi (8,065.79 km) |
| Isperih to Rockville Centre (New York) | 4,799.94 mi (7,724.76 km) |
| Isperih to Rockwall (Texas) | 6,049.29 mi (9,735.39 km) |
| Isperih to Rocky Mount (North Carolina) | 5,185.00 mi (8,344.45 km) |
| Isperih to Rocky Point (New York) | 4,759.83 mi (7,660.21 km) |
| Isperih to Rocky River (Ohio) | 5,077.78 mi (8,171.89 km) |
| Isperih to Roessleville (New York) | 4,715.19 mi (7,588.36 km) |
| Isperih to Rogers (Arkansas) | 5,784.13 mi (9,308.66 km) |
| Isperih to Rogers (Minnesota) | 5,289.90 mi (8,513.27 km) |
| Isperih to Rohnert Park (California) | 6,455.16 mi (10,388.58 km) |
| Isperih to Rolla (Missouri) | 5,613.61 mi (9,034.23 km) |
| Isperih to Rolling Meadows (Illinois) | 5,268.83 mi (8,479.36 km) |
| Isperih to Roma (Texas) | 6,501.84 mi (10,463.70 km) |
| Isperih to Rome (Georgia) | 5,561.54 mi (8,950.44 km) |
| Isperih to Rome (New York) | 4,756.68 mi (7,655.13 km) |
