| Isperih to Robertsville (New Jersey) | 4,840.67 mi (7,790.31 km) |
| Isperih to Robinson (Texas) | 6,154.24 mi (9,904.29 km) |
| Isperih to Robstown (Texas) | 6,376.47 mi (10,261.94 km) |
| Isperih to Rochester (Michigan) | 5,064.99 mi (8,151.32 km) |
| Isperih to Rochester (Minnesota) | 5,316.95 mi (8,556.80 km) |
| Isperih to Rochester (New Hampshire) | 4,578.68 mi (7,368.68 km) |
| Isperih to Rochester (New York) | 4,839.71 mi (7,788.75 km) |
| Isperih to Rochester Hills (Michigan) | 5,067.38 mi (8,155.17 km) |
| Isperih to Rock Hill (South Carolina) | 5,364.08 mi (8,632.65 km) |
| Isperih to Rock Island (Illinois) | 5,387.73 mi (8,670.71 km) |
| Isperih to Rock Springs (Wyoming) | 5,942.61 mi (9,563.70 km) |
| Isperih to Rockford (Illinois) | 5,295.10 mi (8,521.64 km) |
| Isperih to Rockledge (Florida) | 5,679.15 mi (9,139.72 km) |
| Isperih to Rocklin (California) | 6,396.41 mi (10,294.03 km) |
| Isperih to Rockport (Texas) | 6,341.66 mi (10,205.91 km) |
