| Troisdorf to Ribnica | 493.82 mi (794.73 km) |
| Troisdorf to Ribnica | 473.42 mi (761.89 km) |
| Troisdorf to Rogaska Slatina | 500.48 mi (805.44 km) |
| Troisdorf to Rogasovci | 489.38 mi (787.59 km) |
| Troisdorf to Rogatec | 503.18 mi (809.79 km) |
| Troisdorf to Ruse | 482.01 mi (775.72 km) |
| Troisdorf to Salovci | 498.47 mi (802.21 km) |
| Troisdorf to Selnica ob Dravi | 480.69 mi (773.59 km) |
| Troisdorf to Semic | 512.77 mi (825.23 km) |
| Troisdorf to Sempeter pri Gorici | 449.73 mi (723.76 km) |
| Troisdorf to Sencur | 458.14 mi (737.31 km) |
| Troisdorf to Sentilj | 480.43 mi (773.18 km) |
| Troisdorf to Sentjernej | 508.85 mi (818.91 km) |
| Troisdorf to Sentjur | 492.62 mi (792.80 km) |
| Troisdorf to Sentrupert | 493.74 mi (794.60 km) |
