| Nieder-Olm to Roding | 199.43 mi (320.95 km) |
| Nieder-Olm to Rodinghausen | 162.59 mi (261.67 km) |
| Nieder-Olm to Roetgen | 102.20 mi (164.48 km) |
| Nieder-Olm to Rommerskirchen | 102.34 mi (164.70 km) |
| Nieder-Olm to Ronnenberg | 178.10 mi (286.63 km) |
| Nieder-Olm to Rosbach vor der Hohe | 34.84 mi (56.07 km) |
| Nieder-Olm to Rosdorf | 132.70 mi (213.55 km) |
| Nieder-Olm to Rosenheim | 228.25 mi (367.33 km) |
| Nieder-Olm to Rosrath | 81.92 mi (131.83 km) |
| Nieder-Olm to Rossdorf | 24.85 mi (40.00 km) |
| Nieder-Olm to Rosstal | 124.93 mi (201.06 km) |
| Nieder-Olm to Rostock | 333.30 mi (536.40 km) |
| Nieder-Olm to Rotenburg an der Fulda | 100.74 mi (162.13 km) |
| Nieder-Olm to Roth | 137.24 mi (220.87 km) |
| Nieder-Olm to Rothenbach an der Pegnitz | 139.18 mi (223.98 km) |
