| Oud-Heverlee to Ramnicu Sarat | 1,094.54 mi (1,761.49 km) |
| Oud-Heverlee to Ramnicu Valcea | 990.02 mi (1,593.29 km) |
| Oud-Heverlee to Rasnov | 1,019.30 mi (1,640.40 km) |
| Oud-Heverlee to Reghin | 950.72 mi (1,530.04 km) |
| Oud-Heverlee to Resita | 879.50 mi (1,415.41 km) |
| Oud-Heverlee to Roman | 1,042.47 mi (1,677.69 km) |
| Oud-Heverlee to Rosiori de Vede | 1,052.20 mi (1,693.35 km) |
| Oud-Heverlee to Rovinari | 946.35 mi (1,523.00 km) |
| Oud-Heverlee to Roznov | 1,026.93 mi (1,652.68 km) |
| Oud-Heverlee to Sabaoani | 1,036.65 mi (1,668.33 km) |
| Oud-Heverlee to Sacele | 1,029.05 mi (1,656.10 km) |
| Oud-Heverlee to Sacueni | 822.00 mi (1,322.88 km) |
| Oud-Heverlee to Salcea | 999.50 mi (1,608.54 km) |
| Oud-Heverlee to Salonta | 819.14 mi (1,318.28 km) |
| Oud-Heverlee to Sangeorgiu de Mures | 946.92 mi (1,523.93 km) |
