| Ferentino to Robertsville (New Jersey) | 4,348.98 mi (6,999.01 km) |
| Ferentino to Robinson (Texas) | 5,721.44 mi (9,207.77 km) |
| Ferentino to Robstown (Texas) | 5,924.39 mi (9,534.39 km) |
| Ferentino to Rochester (Michigan) | 4,632.55 mi (7,455.37 km) |
| Ferentino to Rochester (Minnesota) | 4,943.54 mi (7,955.86 km) |
| Ferentino to Rochester (New Hampshire) | 4,096.39 mi (6,592.50 km) |
| Ferentino to Rochester (New York) | 4,385.08 mi (7,057.11 km) |
| Ferentino to Rochester Hills (Michigan) | 4,634.95 mi (7,459.23 km) |
| Ferentino to Rock Hill (South Carolina) | 4,865.00 mi (7,829.47 km) |
| Ferentino to Rock Island (Illinois) | 4,984.80 mi (8,022.26 km) |
| Ferentino to Rock Springs (Wyoming) | 5,655.88 mi (9,102.26 km) |
| Ferentino to Rockford (Illinois) | 4,889.85 mi (7,869.45 km) |
| Ferentino to Rockledge (Florida) | 5,137.00 mi (8,267.20 km) |
| Ferentino to Rocklin (California) | 6,183.30 mi (9,951.06 km) |
| Ferentino to Rockport (Texas) | 5,887.26 mi (9,474.63 km) |
