| Langen to Roding | 180.70 mi (290.82 km) |
| Langen to Rodinghausen | 157.16 mi (252.93 km) |
| Langen to Roetgen | 118.17 mi (190.17 km) |
| Langen to Rommerskirchen | 113.18 mi (182.14 km) |
| Langen to Ronnenberg | 167.00 mi (268.76 km) |
| Langen to Rosbach vor der Hohe | 21.84 mi (35.14 km) |
| Langen to Rosdorf | 117.85 mi (189.66 km) |
| Langen to Rosenheim | 215.60 mi (346.97 km) |
| Langen to Rosrath | 90.95 mi (146.37 km) |
| Langen to Rossdorf | 9.50 mi (15.29 km) |
| Langen to Rosstal | 106.95 mi (172.12 km) |
| Langen to Rostock | 319.22 mi (513.74 km) |
| Langen to Rotenburg an der Fulda | 84.10 mi (135.34 km) |
| Langen to Roth | 119.88 mi (192.93 km) |
| Langen to Rothenbach an der Pegnitz | 120.28 mi (193.58 km) |
