| River Ridge to Ratingen | 4,916.12 mi (7,911.73 km) |
| River Ridge to Ratzeburg | 4,992.00 mi (8,033.85 km) |
| River Ridge to Raubling | 5,235.98 mi (8,426.49 km) |
| River Ridge to Rauenberg | 5,050.64 mi (8,128.21 km) |
| River Ridge to Raunheim | 5,017.49 mi (8,074.87 km) |
| River Ridge to Ravensburg | 5,134.28 mi (8,262.83 km) |
| River Ridge to Recke | 4,918.73 mi (7,915.94 km) |
| River Ridge to Recklinghausen | 4,920.07 mi (7,918.09 km) |
| River Ridge to Regen | 5,237.15 mi (8,428.39 km) |
| River Ridge to Regensburg | 5,193.93 mi (8,358.82 km) |
| River Ridge to Regenstauf | 5,192.14 mi (8,355.95 km) |
| River Ridge to Rehau | 5,150.38 mi (8,288.73 km) |
| River Ridge to Rehburg-Loccum | 4,972.98 mi (8,003.23 km) |
| River Ridge to Rehlingen-Siersburg | 4,965.53 mi (7,991.25 km) |
| River Ridge to Reichelsheim | 5,042.30 mi (8,114.79 km) |
