| Montabaur to Ramnicu Sarat | 953.49 mi (1,534.49 km) |
| Montabaur to Ramnicu Valcea | 849.80 mi (1,367.62 km) |
| Montabaur to Rasnov | 878.38 mi (1,413.62 km) |
| Montabaur to Reghin | 809.63 mi (1,302.97 km) |
| Montabaur to Resita | 740.50 mi (1,191.73 km) |
| Montabaur to Roman | 901.69 mi (1,451.13 km) |
| Montabaur to Rosiori de Vede | 912.81 mi (1,469.02 km) |
| Montabaur to Rovinari | 807.04 mi (1,298.81 km) |
| Montabaur to Roznov | 886.03 mi (1,425.92 km) |
| Montabaur to Sabaoani | 895.92 mi (1,441.84 km) |
| Montabaur to Sacele | 888.08 mi (1,429.23 km) |
| Montabaur to Sacueni | 680.90 mi (1,095.80 km) |
| Montabaur to Salcea | 859.21 mi (1,382.76 km) |
| Montabaur to Salonta | 678.32 mi (1,091.65 km) |
| Montabaur to Sangeorgiu de Mures | 805.83 mi (1,296.85 km) |
