| Aosta to Odessa (Texas) | 5,506.83 mi (8,862.39 km) |
| Aosta to Ogden (Utah) | 5,359.91 mi (8,625.94 km) |
| Aosta to Oildale (California) | 5,909.17 mi (9,509.88 km) |
| Aosta to Ojus (Florida) | 4,840.62 mi (7,790.22 km) |
| Aosta to Okemos (Michigan) | 4,280.54 mi (6,888.87 km) |
| Aosta to Oklahoma City (Oklahoma) | 5,136.08 mi (8,265.73 km) |
| Aosta to Okmulgee (Oklahoma) | 5,069.23 mi (8,158.14 km) |
| Aosta to Olathe (Kansas) | 4,864.86 mi (7,829.24 km) |
| Aosta to Old Jamestown (Missouri) | 4,687.37 mi (7,543.59 km) |
| Aosta to Oldsmar (Florida) | 4,858.12 mi (7,818.38 km) |
| Aosta to Olean (New York) | 4,061.30 mi (6,536.03 km) |
| Aosta to Olive Branch (Mississippi) | 4,849.24 mi (7,804.09 km) |
| Aosta to Olivehurst (California) | 5,776.59 mi (9,296.53 km) |
| Aosta to Olney (Maryland) | 4,122.65 mi (6,634.76 km) |
| Aosta to Olympia (Washington) | 5,352.55 mi (8,614.10 km) |
