| Ostwald to Ramnicu Sarat | 935.40 mi (1,505.38 km) |
| Ostwald to Ramnicu Valcea | 820.95 mi (1,321.19 km) |
| Ostwald to Rasnov | 857.61 mi (1,380.20 km) |
| Ostwald to Reghin | 798.56 mi (1,285.16 km) |
| Ostwald to Resita | 704.35 mi (1,133.54 km) |
| Ostwald to Roman | 897.46 mi (1,444.32 km) |
| Ostwald to Rosiori de Vede | 877.28 mi (1,411.84 km) |
| Ostwald to Rovinari | 771.97 mi (1,242.37 km) |
| Ostwald to Roznov | 879.95 mi (1,416.14 km) |
| Ostwald to Sabaoani | 892.34 mi (1,436.09 km) |
| Ostwald to Sacele | 868.31 mi (1,397.40 km) |
| Ostwald to Sacueni | 669.46 mi (1,077.39 km) |
| Ostwald to Salcea | 860.95 mi (1,385.56 km) |
| Ostwald to Salonta | 658.57 mi (1,059.87 km) |
| Ostwald to Sangeorgiu de Mures | 791.72 mi (1,274.16 km) |
