| Nieder-Olm to Ratzeburg | 283.64 mi (456.47 km) |
| Nieder-Olm to Raubling | 230.02 mi (370.18 km) |
| Nieder-Olm to Rauenberg | 49.61 mi (79.85 km) |
| Nieder-Olm to Raunheim | 13.30 mi (21.40 km) |
| Nieder-Olm to Ravensburg | 160.19 mi (257.80 km) |
| Nieder-Olm to Recke | 171.37 mi (275.80 km) |
| Nieder-Olm to Recklinghausen | 124.46 mi (200.30 km) |
| Nieder-Olm to Regen | 230.83 mi (371.49 km) |
| Nieder-Olm to Regensburg | 184.80 mi (297.41 km) |
| Nieder-Olm to Regenstauf | 184.22 mi (296.48 km) |
| Nieder-Olm to Rehau | 170.73 mi (274.76 km) |
| Nieder-Olm to Rehburg-Loccum | 180.98 mi (291.26 km) |
| Nieder-Olm to Rehlingen-Siersburg | 77.73 mi (125.09 km) |
| Nieder-Olm to Reichelsheim | 31.38 mi (50.50 km) |
| Nieder-Olm to Reichenbach/Vogtland | 187.44 mi (301.66 km) |
