| Trzin to Octeville | 786.81 mi (1,266.24 km) |
| Trzin to Oignies | 609.17 mi (980.36 km) |
| Trzin to Oissel | 662.79 mi (1,066.66 km) |
| Trzin to Olivet | 607.64 mi (977.90 km) |
| Trzin to Ollioules | 475.41 mi (765.10 km) |
| Trzin to Olonne-sur-Mer | 778.24 mi (1,252.46 km) |
| Trzin to Oloron-Sainte-Marie | 771.17 mi (1,241.07 km) |
| Trzin to Onet Village | 594.16 mi (956.21 km) |
| Trzin to Onnaing | 582.73 mi (937.82 km) |
| Trzin to Orange | 494.48 mi (795.79 km) |
| Trzin to Orchies | 599.37 mi (964.59 km) |
| Trzin to Orleans | 607.56 mi (977.78 km) |
| Trzin to Orly | 595.72 mi (958.72 km) |
| Trzin to Ormesson-sur-Marne | 589.94 mi (949.41 km) |
| Trzin to Orsay | 604.15 mi (972.29 km) |
