| Flensburg to Quickborn | 74.80 mi (120.37 km) |
| Flensburg to Quierschied | 390.93 mi (629.14 km) |
| Flensburg to Radeberg | 314.37 mi (505.93 km) |
| Flensburg to Radebeul | 308.90 mi (497.13 km) |
| Flensburg to Radevormwald | 262.23 mi (422.02 km) |
| Flensburg to Radolfzell am Bodensee | 487.43 mi (784.45 km) |
| Flensburg to Raesfeld | 234.42 mi (377.26 km) |
| Flensburg to Rahden | 166.84 mi (268.50 km) |
| Flensburg to Rain | 426.08 mi (685.71 km) |
| Flensburg to Rangsdorf | 238.14 mi (383.24 km) |
| Flensburg to Rastatt | 413.23 mi (665.02 km) |
| Flensburg to Rastede | 117.14 mi (188.52 km) |
| Flensburg to Ratekau | 77.64 mi (124.95 km) |
| Flensburg to Rathenow | 191.72 mi (308.55 km) |
| Flensburg to Ratingen | 263.44 mi (423.96 km) |
