| Tradate to Octeville | 560.59 mi (902.18 km) |
| Tradate to Oignies | 427.88 mi (688.61 km) |
| Tradate to Oissel | 443.08 mi (713.07 km) |
| Tradate to Olivet | 363.89 mi (585.63 km) |
| Tradate to Ollioules | 232.88 mi (374.78 km) |
| Tradate to Olonne-sur-Mer | 514.81 mi (828.50 km) |
| Tradate to Oloron-Sainte-Marie | 500.25 mi (805.08 km) |
| Tradate to Onet Village | 322.12 mi (518.40 km) |
| Tradate to Onnaing | 406.31 mi (653.89 km) |
| Tradate to Orange | 228.03 mi (366.99 km) |
| Tradate to Orchies | 420.90 mi (677.38 km) |
| Tradate to Orleans | 364.52 mi (586.65 km) |
| Tradate to Orly | 371.21 mi (597.41 km) |
| Tradate to Ormesson-sur-Marne | 367.19 mi (590.93 km) |
| Tradate to Orsay | 377.55 mi (607.61 km) |
