| Isperih to Rosemont (California) | 6,415.19 mi (10,324.25 km) |
| Isperih to Rosemount (Minnesota) | 5,297.11 mi (8,524.87 km) |
| Isperih to Rosenberg (Texas) | 6,212.43 mi (9,997.94 km) |
| Isperih to Roseville (California) | 6,400.24 mi (10,300.20 km) |
| Isperih to Roseville (Michigan) | 5,067.11 mi (8,154.73 km) |
| Isperih to Roseville (Minnesota) | 5,285.68 mi (8,506.47 km) |
| Isperih to Rossmoor (California) | 6,643.57 mi (10,691.79 km) |
| Isperih to Rossville (Maryland) | 4,972.29 mi (8,002.12 km) |
| Isperih to Roswell (Georgia) | 5,540.48 mi (8,916.54 km) |
| Isperih to Roswell (New Mexico) | 6,292.44 mi (10,126.71 km) |
| Isperih to Round Lake (Illinois) | 5,257.91 mi (8,461.80 km) |
| Isperih to Round Lake Beach (Illinois) | 5,255.25 mi (8,457.50 km) |
| Isperih to Round Rock (Texas) | 6,224.64 mi (10,017.58 km) |
| Isperih to Rowland Heights (California) | 6,627.55 mi (10,666.02 km) |
| Isperih to Rowlett (Texas) | 6,053.28 mi (9,741.80 km) |
