| Frohburg to Ridgeland (Mississippi) | 5,010.77 mi (8,064.05 km) |
| Frohburg to Ridgewood (New Jersey) | 3,971.19 mi (6,391.02 km) |
| Frohburg to Rifle (Colorado) | 5,216.80 mi (8,395.62 km) |
| Frohburg to Rincon (Georgia) | 4,673.51 mi (7,521.30 km) |
| Frohburg to Ringwood (New Jersey) | 3,971.74 mi (6,391.90 km) |
| Frohburg to Río Grande (Puerto Rico) | 4,738.28 mi (7,625.53 km) |
| Frohburg to Rio Grande City (Texas) | 5,660.99 mi (9,110.48 km) |
| Frohburg to Rio Linda (California) | 5,640.92 mi (9,078.19 km) |
| Frohburg to Rio Rancho (New Mexico) | 5,427.04 mi (8,733.97 km) |
| Frohburg to Rio Rico (Arizona) | 5,781.36 mi (9,304.19 km) |
| Frohburg to Ripon (California) | 5,691.30 mi (9,159.26 km) |
| Frohburg to River Edge (New Jersey) | 3,970.87 mi (6,390.49 km) |
| Frohburg to River Falls (Wisconsin) | 4,450.15 mi (7,161.83 km) |
| Frohburg to River Forest (Illinois) | 4,436.33 mi (7,139.58 km) |
| Frohburg to River Grove (Illinois) | 4,435.51 mi (7,138.27 km) |
