| Adra to Ratingen | 1,116.24 mi (1,796.41 km) |
| Adra to Ratzeburg | 1,343.99 mi (2,162.94 km) |
| Adra to Raubling | 1,082.39 mi (1,741.94 km) |
| Adra to Rauenberg | 1,045.62 mi (1,682.76 km) |
| Adra to Raunheim | 1,079.83 mi (1,737.83 km) |
| Adra to Ravensburg | 996.48 mi (1,603.68 km) |
| Adra to Recke | 1,198.83 mi (1,929.33 km) |
| Adra to Recklinghausen | 1,140.00 mi (1,834.65 km) |
| Adra to Regen | 1,170.74 mi (1,884.12 km) |
| Adra to Regensburg | 1,137.27 mi (1,830.26 km) |
| Adra to Regenstauf | 1,143.77 mi (1,840.72 km) |
| Adra to Rehau | 1,194.44 mi (1,922.27 km) |
| Adra to Rehburg-Loccum | 1,236.62 mi (1,990.15 km) |
| Adra to Rehlingen-Siersburg | 998.08 mi (1,606.25 km) |
| Adra to Reichelsheim | 1,073.66 mi (1,727.89 km) |
