| Acqui Terme to Octeville | 584.64 mi (940.89 km) |
| Acqui Terme to Oignies | 474.41 mi (763.49 km) |
| Acqui Terme to Oissel | 473.65 mi (762.26 km) |
| Acqui Terme to Olivet | 383.08 mi (616.52 km) |
| Acqui Terme to Ollioules | 168.22 mi (270.73 km) |
| Acqui Terme to Olonne-sur-Mer | 511.03 mi (822.43 km) |
| Acqui Terme to Oloron-Sainte-Marie | 462.74 mi (744.71 km) |
| Acqui Terme to Onet Village | 290.15 mi (466.95 km) |
| Acqui Terme to Onnaing | 455.14 mi (732.48 km) |
| Acqui Terme to Orange | 184.37 mi (296.71 km) |
| Acqui Terme to Orchies | 468.57 mi (754.10 km) |
| Acqui Terme to Orleans | 384.20 mi (618.32 km) |
| Acqui Terme to Orly | 402.07 mi (647.06 km) |
| Acqui Terme to Ormesson-sur-Marne | 399.15 mi (642.37 km) |
| Acqui Terme to Orsay | 407.00 mi (655.00 km) |
