| Grimbergen to Ramnicu Sarat | 1,108.01 mi (1,783.18 km) |
| Grimbergen to Ramnicu Valcea | 1,003.80 mi (1,615.45 km) |
| Grimbergen to Rasnov | 1,032.87 mi (1,662.24 km) |
| Grimbergen to Reghin | 964.04 mi (1,551.47 km) |
| Grimbergen to Resita | 893.43 mi (1,437.83 km) |
| Grimbergen to Roman | 1,055.51 mi (1,698.68 km) |
| Grimbergen to Rosiori de Vede | 1,066.09 mi (1,715.71 km) |
| Grimbergen to Rovinari | 960.25 mi (1,545.37 km) |
| Grimbergen to Roznov | 1,040.04 mi (1,673.79 km) |
| Grimbergen to Sabaoani | 1,049.67 mi (1,689.28 km) |
| Grimbergen to Sacele | 1,042.59 mi (1,677.89 km) |
| Grimbergen to Sacueni | 835.39 mi (1,344.42 km) |
| Grimbergen to Salcea | 1,012.34 mi (1,629.20 km) |
| Grimbergen to Salonta | 832.75 mi (1,340.18 km) |
| Grimbergen to Sangeorgiu de Mures | 960.33 mi (1,545.50 km) |
