| Trossingen to Orzesze | 478.90 mi (770.72 km) |
| Trossingen to Osowa | 610.05 mi (981.78 km) |
| Trossingen to Ostroda | 627.18 mi (1,009.35 km) |
| Trossingen to Ostroleka | 662.55 mi (1,066.27 km) |
| Trossingen to Ostrow Mazowiecka | 667.32 mi (1,073.94 km) |
| Trossingen to Ostrow Wielkopolski | 477.14 mi (767.89 km) |
| Trossingen to Ostrowiec Swietokrzyski | 604.84 mi (973.40 km) |
| Trossingen to Ostrzeszow | 474.46 mi (763.57 km) |
| Trossingen to Oswiecim | 497.60 mi (800.81 km) |
| Trossingen to Otwock | 624.45 mi (1,004.95 km) |
| Trossingen to Ozarow Mazowiecki | 608.79 mi (979.75 km) |
| Trossingen to Ozimek | 466.29 mi (750.42 km) |
| Trossingen to Ozorkow | 543.01 mi (873.88 km) |
| Trossingen to Pabianice | 537.90 mi (865.67 km) |
| Trossingen to Parczew | 678.53 mi (1,091.99 km) |
