| Arnstadt to Ramnicu Sarat | 831.08 mi (1,337.50 km) |
| Arnstadt to Ramnicu Valcea | 734.95 mi (1,182.79 km) |
| Arnstadt to Rasnov | 758.18 mi (1,220.18 km) |
| Arnstadt to Reghin | 684.80 mi (1,102.08 km) |
| Arnstadt to Resita | 632.52 mi (1,017.94 km) |
| Arnstadt to Roman | 772.81 mi (1,243.72 km) |
| Arnstadt to Rosiori de Vede | 801.73 mi (1,290.25 km) |
| Arnstadt to Rovinari | 697.09 mi (1,121.85 km) |
| Arnstadt to Roznov | 758.09 mi (1,220.03 km) |
| Arnstadt to Sabaoani | 766.79 mi (1,234.03 km) |
| Arnstadt to Sacele | 767.21 mi (1,234.71 km) |
| Arnstadt to Sacueni | 557.93 mi (897.90 km) |
| Arnstadt to Salcea | 728.11 mi (1,171.78 km) |
| Arnstadt to Salonta | 560.32 mi (901.75 km) |
| Arnstadt to Sangeorgiu de Mures | 682.65 mi (1,098.62 km) |
