| Tortona to Oakley (California) | 5,935.36 mi (9,552.05 km) |
| Tortona to Oakton (Virginia) | 4,236.58 mi (6,818.12 km) |
| Tortona to Oakville (Missouri) | 4,801.58 mi (7,727.39 km) |
| Tortona to Oatfield (Oregon) | 5,528.48 mi (8,897.23 km) |
| Tortona to Ocala (Florida) | 4,873.96 mi (7,843.89 km) |
| Tortona to Ocean Acres (New Jersey) | 4,070.88 mi (6,551.46 km) |
| Tortona to Ocean City (New Jersey) | 4,103.73 mi (6,604.32 km) |
| Tortona to Ocean Pines (Maryland) | 4,163.09 mi (6,699.85 km) |
| Tortona to Ocean Pointe (Hawaii) | 7,788.15 mi (12,533.82 km) |
| Tortona to Ocean Springs (Mississippi) | 5,111.84 mi (8,226.71 km) |
| Tortona to Oceanside (California) | 6,072.10 mi (9,772.11 km) |
| Tortona to Oceanside (New York) | 4,008.08 mi (6,450.37 km) |
| Tortona to Ocoee (Florida) | 4,873.16 mi (7,842.60 km) |
| Tortona to Oconomowoc (Wisconsin) | 4,519.99 mi (7,274.22 km) |
| Tortona to Odenton (Maryland) | 4,202.99 mi (6,764.06 km) |
