| Triuggio to Octeville | 576.07 mi (927.10 km) |
| Triuggio to Oignies | 440.13 mi (708.33 km) |
| Triuggio to Oissel | 457.96 mi (737.01 km) |
| Triuggio to Olivet | 380.04 mi (611.62 km) |
| Triuggio to Ollioules | 242.83 mi (390.80 km) |
| Triuggio to Olonne-sur-Mer | 531.84 mi (855.91 km) |
| Triuggio to Oloron-Sainte-Marie | 515.82 mi (830.13 km) |
| Triuggio to Onet Village | 337.99 mi (543.94 km) |
| Triuggio to Onnaing | 418.09 mi (672.85 km) |
| Triuggio to Orange | 242.29 mi (389.93 km) |
| Triuggio to Orchies | 432.92 mi (696.71 km) |
| Triuggio to Orleans | 380.63 mi (612.57 km) |
| Triuggio to Orly | 386.18 mi (621.50 km) |
| Triuggio to Ormesson-sur-Marne | 382.02 mi (614.81 km) |
| Triuggio to Orsay | 392.68 mi (631.95 km) |
