| Trissino to Octeville | 666.75 mi (1,073.04 km) |
| Trissino to Oignies | 513.72 mi (826.75 km) |
| Trissino to Oissel | 545.69 mi (878.20 km) |
| Trissino to Olivet | 475.31 mi (764.94 km) |
| Trissino to Ollioules | 320.04 mi (515.05 km) |
| Trissino to Olonne-sur-Mer | 632.87 mi (1,018.50 km) |
| Trissino to Oloron-Sainte-Marie | 612.90 mi (986.37 km) |
| Trissino to Onet Village | 436.59 mi (702.63 km) |
| Trissino to Onnaing | 489.49 mi (787.76 km) |
| Trissino to Orange | 335.88 mi (540.55 km) |
| Trissino to Orchies | 505.34 mi (813.26 km) |
| Trissino to Orleans | 475.68 mi (765.53 km) |
| Trissino to Orly | 474.94 mi (764.34 km) |
| Trissino to Ormesson-sur-Marne | 470.11 mi (756.57 km) |
| Trissino to Orsay | 482.24 mi (776.08 km) |
