| Aosta to Oakley (California) | 5,843.59 mi (9,404.35 km) |
| Aosta to Oakton (Virginia) | 4,143.18 mi (6,667.80 km) |
| Aosta to Oakville (Missouri) | 4,706.79 mi (7,574.85 km) |
| Aosta to Oatfield (Oregon) | 5,438.98 mi (8,753.20 km) |
| Aosta to Ocala (Florida) | 4,782.66 mi (7,696.94 km) |
| Aosta to Ocean Acres (New Jersey) | 3,977.73 mi (6,401.53 km) |
| Aosta to Ocean City (New Jersey) | 4,010.67 mi (6,454.55 km) |
| Aosta to Ocean Pines (Maryland) | 4,070.21 mi (6,550.38 km) |
| Aosta to Ocean Pointe (Hawaii) | 7,713.73 mi (12,414.05 km) |
| Aosta to Ocean Springs (Mississippi) | 5,018.58 mi (8,076.63 km) |
| Aosta to Oceanside (California) | 5,978.37 mi (9,621.25 km) |
| Aosta to Oceanside (New York) | 3,914.75 mi (6,300.18 km) |
| Aosta to Ocoee (Florida) | 4,782.26 mi (7,696.31 km) |
| Aosta to Oconomowoc (Wisconsin) | 4,425.01 mi (7,121.36 km) |
| Aosta to Odenton (Maryland) | 4,109.64 mi (6,613.82 km) |
