| Erkrath to Ramnicu Sarat | 1,005.90 mi (1,618.85 km) |
| Erkrath to Ramnicu Valcea | 905.85 mi (1,457.83 km) |
| Erkrath to Rasnov | 931.95 mi (1,499.82 km) |
| Erkrath to Reghin | 860.47 mi (1,384.79 km) |
| Erkrath to Resita | 798.99 mi (1,285.84 km) |
| Erkrath to Roman | 949.70 mi (1,528.40 km) |
| Erkrath to Rosiori de Vede | 970.44 mi (1,561.78 km) |
| Erkrath to Rovinari | 864.95 mi (1,392.00 km) |
| Erkrath to Roznov | 934.77 mi (1,504.36 km) |
| Erkrath to Sabaoani | 943.73 mi (1,518.78 km) |
| Erkrath to Sacele | 941.30 mi (1,514.88 km) |
| Erkrath to Sacueni | 732.72 mi (1,179.20 km) |
| Erkrath to Salcea | 905.30 mi (1,456.95 km) |
| Erkrath to Salonta | 732.70 mi (1,179.17 km) |
| Erkrath to Sangeorgiu de Mures | 857.67 mi (1,380.29 km) |
