| Rio Maior to Rodgau | 1,139.89 mi (1,834.47 km) |
| Rio Maior to Roding | 1,254.56 mi (2,019.02 km) |
| Rio Maior to Rodinghausen | 1,218.89 mi (1,961.61 km) |
| Rio Maior to Roetgen | 1,072.14 mi (1,725.44 km) |
| Rio Maior to Rommerskirchen | 1,105.75 mi (1,779.53 km) |
| Rio Maior to Ronnenberg | 1,260.19 mi (2,028.09 km) |
| Rio Maior to Rosbach vor der Hohe | 1,144.12 mi (1,841.29 km) |
| Rio Maior to Rosdorf | 1,234.64 mi (1,986.95 km) |
| Rio Maior to Rosenheim | 1,201.69 mi (1,933.93 km) |
| Rio Maior to Rosrath | 1,116.09 mi (1,796.17 km) |
| Rio Maior to Rossdorf | 1,129.12 mi (1,817.14 km) |
| Rio Maior to Rosstal | 1,194.83 mi (1,922.89 km) |
| Rio Maior to Rostock | 1,415.87 mi (2,278.62 km) |
| Rio Maior to Rotenburg an der Fulda | 1,208.54 mi (1,944.96 km) |
| Rio Maior to Roth | 1,198.17 mi (1,928.26 km) |
