| Rio Maior to Ratingen | 1,122.98 mi (1,807.26 km) |
| Rio Maior to Ratzeburg | 1,355.24 mi (2,181.05 km) |
| Rio Maior to Raubling | 1,198.89 mi (1,929.43 km) |
| Rio Maior to Rauenberg | 1,105.20 mi (1,778.65 km) |
| Rio Maior to Raunheim | 1,123.94 mi (1,808.80 km) |
| Rio Maior to Ravensburg | 1,092.54 mi (1,758.27 km) |
| Rio Maior to Recke | 1,199.84 mi (1,930.95 km) |
| Rio Maior to Recklinghausen | 1,146.06 mi (1,844.41 km) |
| Rio Maior to Regen | 1,273.49 mi (2,049.49 km) |
| Rio Maior to Regensburg | 1,231.45 mi (1,981.83 km) |
| Rio Maior to Regenstauf | 1,236.43 mi (1,989.84 km) |
| Rio Maior to Rehau | 1,267.15 mi (2,039.28 km) |
| Rio Maior to Rehburg-Loccum | 1,251.10 mi (2,013.46 km) |
| Rio Maior to Rehlingen-Siersburg | 1,033.45 mi (1,663.18 km) |
| Rio Maior to Reichelsheim | 1,126.85 mi (1,813.49 km) |
