| Troisdorf to Setubal | 1,153.99 mi (1,857.16 km) |
| Troisdorf to Sever do Vouga | 1,018.38 mi (1,638.93 km) |
| Troisdorf to Silves | 1,214.45 mi (1,954.47 km) |
| Troisdorf to Sines | 1,184.57 mi (1,906.37 km) |
| Troisdorf to Sintra | 1,155.52 mi (1,859.63 km) |
| Troisdorf to Sobrado de Paiva | 999.48 mi (1,608.50 km) |
| Troisdorf to Sobral de Monte Agraco | 1,135.78 mi (1,827.86 km) |
| Troisdorf to Soure | 1,063.21 mi (1,711.08 km) |
| Troisdorf to Tabua | 1,026.25 mi (1,651.58 km) |
| Troisdorf to Tavira | 1,194.47 mi (1,922.31 km) |
| Troisdorf to Tomar | 1,079.80 mi (1,737.76 km) |
| Troisdorf to Tondela | 1,019.87 mi (1,641.32 km) |
| Troisdorf to Torre de Moncorvo | 951.69 mi (1,531.60 km) |
| Troisdorf to Torres Novas | 1,090.86 mi (1,755.58 km) |
| Troisdorf to Torres Vedras | 1,136.14 mi (1,828.44 km) |
