| Aosta to Orangevale (California) | 5,789.32 mi (9,317.01 km) |
| Aosta to Orchards (Washington) | 5,421.31 mi (8,724.75 km) |
| Aosta to Orcutt (California) | 5,985.18 mi (9,632.21 km) |
| Aosta to Oregon (Ohio) | 4,285.40 mi (6,896.69 km) |
| Aosta to Oregon (Wisconsin) | 4,467.47 mi (7,189.70 km) |
| Aosta to Oregon City (Oregon) | 5,443.03 mi (8,759.72 km) |
| Aosta to Orem (Utah) | 5,401.36 mi (8,692.65 km) |
| Aosta to Orinda (California) | 5,864.41 mi (9,437.85 km) |
| Aosta to Orland Park (Illinois) | 4,465.77 mi (7,186.97 km) |
| Aosta to Orlando (Florida) | 4,778.07 mi (7,689.56 km) |
| Aosta to Ormond Beach (Florida) | 4,729.77 mi (7,611.84 km) |
| Aosta to Oro Valley (Arizona) | 5,803.36 mi (9,339.60 km) |
| Aosta to Oroville (California) | 5,752.48 mi (9,257.72 km) |
| Aosta to Oshkosh (Wisconsin) | 4,387.23 mi (7,060.56 km) |
| Aosta to Oskaloosa (Iowa) | 4,667.28 mi (7,511.26 km) |
