| Ferentino to Romeoville (Illinois) | 4,878.90 mi (7,851.84 km) |
| Ferentino to Romulus (Michigan) | 4,661.64 mi (7,502.18 km) |
| Ferentino to Ronkonkoma (New York) | 4,280.01 mi (6,888.02 km) |
| Ferentino to Roosevelt (New York) | 4,304.89 mi (6,928.05 km) |
| Ferentino to Rosamond (California) | 6,319.75 mi (10,170.65 km) |
| Ferentino to Rosaryville (Maryland) | 4,521.56 mi (7,276.75 km) |
| Ferentino to Roscoe (Illinois) | 4,880.38 mi (7,854.21 km) |
| Ferentino to Rose Hill (Virginia) | 4,533.23 mi (7,295.53 km) |
| Ferentino to Roseburg (Oregon) | 5,980.71 mi (9,625.02 km) |
| Ferentino to Rosedale (California) | 6,320.80 mi (10,172.35 km) |
| Ferentino to Rosedale (Maryland) | 4,485.55 mi (7,218.79 km) |
| Ferentino to Roselle (Illinois) | 4,863.17 mi (7,826.52 km) |
| Ferentino to Roselle (New Jersey) | 4,335.69 mi (6,977.62 km) |
| Ferentino to Roselle Park (New Jersey) | 4,335.51 mi (6,977.33 km) |
| Ferentino to Rosemead (California) | 6,361.10 mi (10,237.19 km) |
