| Troisdorf to Querfurt | 196.74 mi (316.63 km) |
| Troisdorf to Quickborn | 232.47 mi (374.12 km) |
| Troisdorf to Quierschied | 103.70 mi (166.90 km) |
| Troisdorf to Radeberg | 294.83 mi (474.48 km) |
| Troisdorf to Radebeul | 283.23 mi (455.82 km) |
| Troisdorf to Radevormwald | 27.84 mi (44.80 km) |
| Troisdorf to Radolfzell am Bodensee | 228.09 mi (367.08 km) |
| Troisdorf to Raesfeld | 67.14 mi (108.05 km) |
| Troisdorf to Rahden | 127.11 mi (204.57 km) |
| Troisdorf to Rain | 223.35 mi (359.45 km) |
| Troisdorf to Rangsdorf | 288.01 mi (463.51 km) |
| Troisdorf to Rastatt | 143.59 mi (231.09 km) |
| Troisdorf to Rastede | 173.92 mi (279.90 km) |
| Troisdorf to Ratekau | 263.84 mi (424.61 km) |
| Troisdorf to Rathenow | 253.56 mi (408.06 km) |
