| Tczew to Octeville | 921.18 mi (1,482.50 km) |
| Tczew to Oignies | 711.44 mi (1,144.96 km) |
| Tczew to Oissel | 822.98 mi (1,324.45 km) |
| Tczew to Olivet | 848.49 mi (1,365.51 km) |
| Tczew to Ollioules | 957.15 mi (1,540.38 km) |
| Tczew to Olonne-sur-Mer | 1,041.33 mi (1,675.86 km) |
| Tczew to Oloron-Sainte-Marie | 1,155.65 mi (1,859.84 km) |
| Tczew to Onet Village | 988.57 mi (1,590.96 km) |
| Tczew to Onnaing | 690.32 mi (1,110.97 km) |
| Tczew to Orange | 930.90 mi (1,498.13 km) |
| Tczew to Orchies | 701.43 mi (1,128.84 km) |
| Tczew to Orleans | 846.58 mi (1,362.44 km) |
| Tczew to Orly | 794.89 mi (1,279.24 km) |
| Tczew to Ormesson-sur-Marne | 787.77 mi (1,267.79 km) |
| Tczew to Orsay | 804.42 mi (1,294.59 km) |
