| Tczew to Oberkirch | 600.05 mi (965.69 km) |
| Tczew to Obernburg am Main | 504.38 mi (811.73 km) |
| Tczew to Obernkirchen | 419.72 mi (675.48 km) |
| Tczew to Oberschleissheim | 510.14 mi (821.00 km) |
| Tczew to Oberstdorf | 592.06 mi (952.83 km) |
| Tczew to Obertraubling | 453.98 mi (730.60 km) |
| Tczew to Obertshausen | 505.46 mi (813.46 km) |
| Tczew to Oberursel | 508.99 mi (819.13 km) |
| Tczew to Ochsenfurt | 481.83 mi (775.43 km) |
| Tczew to Ochsenhausen | 565.10 mi (909.45 km) |
| Tczew to Ochtrup | 497.62 mi (800.83 km) |
| Tczew to Odenthal | 533.26 mi (858.20 km) |
| Tczew to Oelde | 469.15 mi (755.03 km) |
| Tczew to Oelsnitz | 377.85 mi (608.08 km) |
| Tczew to Oer-Erkenschwick | 509.69 mi (820.26 km) |
