| Tortona to Oak Harbor (Washington) | 5,361.91 mi (8,629.16 km) |
| Tortona to Oak Hills (Oregon) | 5,527.47 mi (8,895.60 km) |
| Tortona to Oak Lawn (Illinois) | 4,551.65 mi (7,325.18 km) |
| Tortona to Oak Park (California) | 6,064.97 mi (9,760.63 km) |
| Tortona to Oak Park (Illinois) | 4,545.51 mi (7,315.28 km) |
| Tortona to Oak Park (Michigan) | 4,335.77 mi (6,977.75 km) |
| Tortona to Oak Ridge (Florida) | 4,872.73 mi (7,841.91 km) |
| Tortona to Oak Ridge (New Jersey) | 4,029.81 mi (6,485.35 km) |
| Tortona to Oak Ridge (Tennessee) | 4,662.88 mi (7,504.18 km) |
| Tortona to Oakdale (California) | 5,923.65 mi (9,533.19 km) |
| Tortona to Oakdale (Minnesota) | 4,605.47 mi (7,411.78 km) |
| Tortona to Oakland (California) | 5,962.44 mi (9,595.62 km) |
| Tortona to Oakland (New Jersey) | 4,018.80 mi (6,467.63 km) |
| Tortona to Oakland Park (Florida) | 4,919.46 mi (7,917.10 km) |
| Tortona to Oakleaf Plantation (Florida) | 4,814.58 mi (7,748.32 km) |
