| Isperih to Ridgeland (Mississippi) | 5,846.73 mi (9,409.40 km) |
| Isperih to Ridgewood (New Jersey) | 4,804.43 mi (7,731.98 km) |
| Isperih to Rifle (Colorado) | 6,026.35 mi (9,698.47 km) |
| Isperih to Rincon (Georgia) | 5,502.96 mi (8,856.16 km) |
| Isperih to Ringwood (New Jersey) | 4,805.21 mi (7,733.24 km) |
| Isperih to Río Grande (Puerto Rico) | 5,478.06 mi (8,816.08 km) |
| Isperih to Rio Grande City (Texas) | 6,497.12 mi (10,456.11 km) |
| Isperih to Rio Linda (California) | 6,408.04 mi (10,312.75 km) |
| Isperih to Rio Rancho (New Mexico) | 6,246.56 mi (10,052.87 km) |
| Isperih to Rio Rico (Arizona) | 6,597.65 mi (10,617.90 km) |
| Isperih to Ripon (California) | 6,461.98 mi (10,399.55 km) |
| Isperih to River Edge (New Jersey) | 4,803.99 mi (7,731.28 km) |
| Isperih to River Falls (Wisconsin) | 5,277.10 mi (8,492.68 km) |
| Isperih to River Forest (Illinois) | 5,270.84 mi (8,482.60 km) |
| Isperih to River Grove (Illinois) | 5,269.99 mi (8,481.23 km) |
