| Sankt Augustin to Ratingen | 39.43 mi (63.46 km) |
| Sankt Augustin to Ratzeburg | 252.36 mi (406.13 km) |
| Sankt Augustin to Raubling | 302.52 mi (486.85 km) |
| Sankt Augustin to Rauenberg | 123.72 mi (199.11 km) |
| Sankt Augustin to Raunheim | 76.19 mi (122.62 km) |
| Sankt Augustin to Ravensburg | 233.50 mi (375.78 km) |
| Sankt Augustin to Recke | 112.89 mi (181.67 km) |
| Sankt Augustin to Recklinghausen | 56.32 mi (90.64 km) |
| Sankt Augustin to Regen | 292.56 mi (470.82 km) |
| Sankt Augustin to Regensburg | 249.28 mi (401.18 km) |
| Sankt Augustin to Regenstauf | 247.34 mi (398.06 km) |
| Sankt Augustin to Rehau | 215.21 mi (346.34 km) |
| Sankt Augustin to Rehburg-Loccum | 144.93 mi (233.24 km) |
| Sankt Augustin to Rehlingen-Siersburg | 99.41 mi (159.99 km) |
| Sankt Augustin to Reichelsheim | 103.19 mi (166.07 km) |
