| Acqui Terme to Orangevale (California) | 5,881.41 mi (9,465.21 km) |
| Acqui Terme to Orchards (Washington) | 5,513.08 mi (8,872.45 km) |
| Acqui Terme to Orcutt (California) | 6,077.17 mi (9,780.25 km) |
| Acqui Terme to Oregon (Ohio) | 4,372.08 mi (7,036.18 km) |
| Acqui Terme to Oregon (Wisconsin) | 4,556.18 mi (7,332.46 km) |
| Acqui Terme to Oregon City (Oregon) | 5,534.83 mi (8,907.44 km) |
| Acqui Terme to Orem (Utah) | 5,493.10 mi (8,840.28 km) |
| Acqui Terme to Orinda (California) | 5,956.49 mi (9,586.05 km) |
| Acqui Terme to Orland Park (Illinois) | 4,553.61 mi (7,328.32 km) |
| Acqui Terme to Orlando (Florida) | 4,856.12 mi (7,815.18 km) |
| Acqui Terme to Ormond Beach (Florida) | 4,808.26 mi (7,738.15 km) |
| Acqui Terme to Oro Valley (Arizona) | 5,893.92 mi (9,485.35 km) |
| Acqui Terme to Oroville (California) | 5,844.56 mi (9,405.90 km) |
| Acqui Terme to Oshkosh (Wisconsin) | 4,476.15 mi (7,203.67 km) |
| Acqui Terme to Oskaloosa (Iowa) | 4,756.14 mi (7,654.27 km) |
