| Grefrath to Ramnicu Sarat | 1,031.88 mi (1,660.65 km) |
| Grefrath to Ramnicu Valcea | 931.80 mi (1,499.59 km) |
| Grefrath to Rasnov | 957.94 mi (1,541.65 km) |
| Grefrath to Reghin | 886.41 mi (1,426.54 km) |
| Grefrath to Resita | 824.77 mi (1,327.34 km) |
| Grefrath to Roman | 975.49 mi (1,569.90 km) |
| Grefrath to Rosiori de Vede | 996.31 mi (1,603.40 km) |
| Grefrath to Rovinari | 890.79 mi (1,433.58 km) |
| Grefrath to Roznov | 960.60 mi (1,545.94 km) |
| Grefrath to Sabaoani | 969.50 mi (1,560.26 km) |
| Grefrath to Sacele | 967.29 mi (1,556.70 km) |
| Grefrath to Sacueni | 758.69 mi (1,221.00 km) |
| Grefrath to Salcea | 930.95 mi (1,498.23 km) |
| Grefrath to Salonta | 758.69 mi (1,220.99 km) |
| Grefrath to Sangeorgiu de Mures | 883.64 mi (1,422.09 km) |
