| Usmate Velate to Octeville | 580.09 mi (933.57 km) |
| Usmate Velate to Oignies | 443.56 mi (713.84 km) |
| Usmate Velate to Oissel | 461.87 mi (743.31 km) |
| Usmate Velate to Olivet | 384.16 mi (618.25 km) |
| Usmate Velate to Ollioules | 244.90 mi (394.13 km) |
| Usmate Velate to Olonne-sur-Mer | 536.00 mi (862.62 km) |
| Usmate Velate to Oloron-Sainte-Marie | 519.38 mi (835.86 km) |
| Usmate Velate to Onet Village | 341.65 mi (549.83 km) |
| Usmate Velate to Onnaing | 421.43 mi (678.22 km) |
| Usmate Velate to Orange | 245.50 mi (395.10 km) |
| Usmate Velate to Orchies | 436.30 mi (702.15 km) |
| Usmate Velate to Orleans | 384.75 mi (619.19 km) |
| Usmate Velate to Orly | 390.12 mi (627.83 km) |
| Usmate Velate to Ormesson-sur-Marne | 385.94 mi (621.11 km) |
| Usmate Velate to Orsay | 396.64 mi (638.33 km) |
