| Ferentino to Ridgeland (Mississippi) | 5,378.85 mi (8,656.42 km) |
| Ferentino to Ridgewood (New Jersey) | 4,316.88 mi (6,947.35 km) |
| Ferentino to Rifle (Colorado) | 5,716.36 mi (9,199.58 km) |
| Ferentino to Rincon (Georgia) | 4,987.57 mi (8,026.71 km) |
| Ferentino to Ringwood (New Jersey) | 4,319.35 mi (6,951.32 km) |
| Ferentino to Río Grande (Puerto Rico) | 4,828.89 mi (7,771.35 km) |
| Ferentino to Rio Grande City (Texas) | 6,043.83 mi (9,726.61 km) |
| Ferentino to Rio Linda (California) | 6,195.85 mi (9,971.26 km) |
| Ferentino to Rio Rancho (New Mexico) | 5,902.02 mi (9,498.38 km) |
| Ferentino to Rio Rico (Arizona) | 6,261.42 mi (10,076.78 km) |
| Ferentino to Ripon (California) | 6,242.19 mi (10,045.83 km) |
| Ferentino to River Edge (New Jersey) | 4,315.70 mi (6,945.44 km) |
| Ferentino to River Falls (Wisconsin) | 4,910.97 mi (7,903.44 km) |
| Ferentino to River Forest (Illinois) | 4,856.24 mi (7,815.36 km) |
| Ferentino to River Grove (Illinois) | 4,855.71 mi (7,814.50 km) |
