| Troisdorf to Redon | 470.29 mi (756.85 km) |
| Troisdorf to Reims | 175.18 mi (281.93 km) |
| Troisdorf to Rennes | 438.07 mi (705.00 km) |
| Troisdorf to Revel | 562.73 mi (905.62 km) |
| Troisdorf to Reze | 467.63 mi (752.57 km) |
| Troisdorf to Riedisheim | 212.18 mi (341.47 km) |
| Troisdorf to Rillieux-la-Pape | 360.30 mi (579.85 km) |
| Troisdorf to Riom | 387.33 mi (623.35 km) |
| Troisdorf to Riorges | 359.31 mi (578.26 km) |
| Troisdorf to Ris-Orangis | 258.99 mi (416.81 km) |
| Troisdorf to Rive-de-Gier | 383.49 mi (617.16 km) |
| Troisdorf to Rivesaltes | 591.49 mi (951.91 km) |
| Troisdorf to Rixheim | 212.24 mi (341.57 km) |
| Troisdorf to Roanne | 359.19 mi (578.06 km) |
| Troisdorf to Roche-la-Moliere | 394.07 mi (634.19 km) |