| Langen to Ratzeburg | 271.73 mi (437.31 km) |
| Langen to Raubling | 217.68 mi (350.32 km) |
| Langen to Rauenberg | 49.46 mi (79.60 km) |
| Langen to Raunheim | 9.90 mi (15.93 km) |
| Langen to Ravensburg | 157.96 mi (254.21 km) |
| Langen to Recke | 169.93 mi (273.48 km) |
| Langen to Recklinghausen | 128.71 mi (207.14 km) |
| Langen to Regen | 212.44 mi (341.88 km) |
| Langen to Regensburg | 167.21 mi (269.09 km) |
| Langen to Regenstauf | 166.12 mi (267.35 km) |
| Langen to Rehau | 149.55 mi (240.67 km) |
| Langen to Rehburg-Loccum | 172.09 mi (276.95 km) |
| Langen to Rehlingen-Siersburg | 98.51 mi (158.54 km) |
| Langen to Reichelsheim | 20.08 mi (32.32 km) |
| Langen to Reichenbach/Vogtland | 166.20 mi (267.47 km) |
