| Trossingen to Nowy Sacz | 558.06 mi (898.11 km) |
| Trossingen to Nowy Targ | 526.54 mi (847.39 km) |
| Trossingen to Nowy Tomysl | 442.12 mi (711.53 km) |
| Trossingen to Nysa | 425.27 mi (684.41 km) |
| Trossingen to Oborniki | 478.96 mi (770.81 km) |
| Trossingen to Oborniki Slaskie | 431.02 mi (693.66 km) |
| Trossingen to Olawa | 435.63 mi (701.08 km) |
| Trossingen to Olecko | 727.39 mi (1,170.62 km) |
| Trossingen to Olesnica | 446.58 mi (718.69 km) |
| Trossingen to Olesno | 479.33 mi (771.40 km) |
| Trossingen to Olkusz | 516.06 mi (830.51 km) |
| Trossingen to Olsztyn | 647.65 mi (1,042.30 km) |
| Trossingen to Opalenica | 451.08 mi (725.95 km) |
| Trossingen to Opoczno | 567.36 mi (913.08 km) |
| Trossingen to Opole | 454.58 mi (731.57 km) |
