| Potomac Park to Ratingen | 5,609.05 mi (9,026.90 km) |
| Potomac Park to Ratzeburg | 5,590.45 mi (8,996.96 km) |
| Potomac Park to Raubling | 5,946.20 mi (9,569.48 km) |
| Potomac Park to Rauenberg | 5,768.56 mi (9,283.60 km) |
| Potomac Park to Raunheim | 5,721.91 mi (9,208.52 km) |
| Potomac Park to Ravensburg | 5,873.75 mi (9,452.89 km) |
| Potomac Park to Recke | 5,578.60 mi (8,977.89 km) |
| Potomac Park to Recklinghausen | 5,603.37 mi (9,017.75 km) |
| Potomac Park to Regen | 5,910.64 mi (9,512.26 km) |
| Potomac Park to Regensburg | 5,878.77 mi (9,460.97 km) |
| Potomac Park to Regenstauf | 5,874.22 mi (9,453.64 km) |
| Potomac Park to Rehau | 5,809.94 mi (9,350.20 km) |
| Potomac Park to Rehburg-Loccum | 5,615.53 mi (9,037.32 km) |
| Potomac Park to Rehlingen-Siersburg | 5,703.21 mi (9,178.43 km) |
| Potomac Park to Reichelsheim | 5,749.03 mi (9,252.17 km) |
