| Ferentino to Ramnicu Sarat | 736.26 mi (1,184.89 km) |
| Ferentino to Ramnicu Valcea | 605.88 mi (975.06 km) |
| Ferentino to Rasnov | 666.75 mi (1,073.03 km) |
| Ferentino to Reghin | 666.54 mi (1,072.70 km) |
| Ferentino to Resita | 499.60 mi (804.02 km) |
| Ferentino to Roman | 765.92 mi (1,232.62 km) |
| Ferentino to Rosiori de Vede | 617.05 mi (993.04 km) |
| Ferentino to Rovinari | 545.61 mi (878.08 km) |
| Ferentino to Roznov | 745.20 mi (1,199.28 km) |
| Ferentino to Sabaoani | 764.85 mi (1,230.91 km) |
| Ferentino to Sacele | 678.73 mi (1,092.31 km) |
| Ferentino to Sacueni | 585.12 mi (941.67 km) |
| Ferentino to Salcea | 763.70 mi (1,229.06 km) |
| Ferentino to Salonta | 545.23 mi (877.46 km) |
| Ferentino to Sangeorgiu de Mures | 649.19 mi (1,044.77 km) |
