| Silver Spring to Ratingen | 3,945.82 mi (6,350.18 km) |
| Silver Spring to Ratzeburg | 4,029.81 mi (6,485.35 km) |
| Silver Spring to Raubling | 4,262.94 mi (6,860.54 km) |
| Silver Spring to Rauenberg | 4,078.00 mi (6,562.91 km) |
| Silver Spring to Raunheim | 4,045.82 mi (6,511.11 km) |
| Silver Spring to Ravensburg | 4,160.29 mi (6,695.34 km) |
| Silver Spring to Recke | 3,951.07 mi (6,358.64 km) |
| Silver Spring to Recklinghausen | 3,950.46 mi (6,357.65 km) |
| Silver Spring to Regen | 4,266.28 mi (6,865.91 km) |
| Silver Spring to Regensburg | 4,222.55 mi (6,795.53 km) |
| Silver Spring to Regenstauf | 4,220.95 mi (6,792.97 km) |
| Silver Spring to Rehau | 4,181.05 mi (6,728.75 km) |
| Silver Spring to Rehburg-Loccum | 4,006.44 mi (6,447.74 km) |
| Silver Spring to Rehlingen-Siersburg | 3,992.24 mi (6,424.88 km) |
| Silver Spring to Reichelsheim | 4,070.35 mi (6,550.59 km) |
