| Troisdorf to Resana | 420.43 mi (676.62 km) |
| Troisdorf to Rescaldina | 368.59 mi (593.19 km) |
| Troisdorf to Rezzato | 394.10 mi (634.24 km) |
| Troisdorf to Rho | 375.09 mi (603.64 km) |
| Troisdorf to Ribera | 967.81 mi (1,557.54 km) |
| Troisdorf to Riccione Marina | 536.11 mi (862.79 km) |
| Troisdorf to Riesi | 995.22 mi (1,601.65 km) |
| Troisdorf to Rieti | 640.63 mi (1,030.99 km) |
| Troisdorf to Rignano Flaminio | 646.56 mi (1,040.53 km) |
| Troisdorf to Rignano sull'Arno | 529.57 mi (852.26 km) |
| Troisdorf to Rimini | 530.63 mi (853.96 km) |
| Troisdorf to Rionero in Vulture | 795.99 mi (1,281.02 km) |
| Troisdorf to Riposto | 986.25 mi (1,587.21 km) |
| Troisdorf to Riva del Garda | 380.59 mi (612.50 km) |
| Troisdorf to Rivalta di Torino | 399.86 mi (643.51 km) |
