| Boston to Oak Harbor (Washington) | 4,674.67 mi (7,523.15 km) |
| Boston to Oak Hills (Oregon) | 4,839.86 mi (7,789.01 km) |
| Boston to Oak Lawn (Illinois) | 3,917.54 mi (6,304.67 km) |
| Boston to Oak Park (California) | 5,384.84 mi (8,666.06 km) |
| Boston to Oak Park (Illinois) | 3,910.61 mi (6,293.52 km) |
| Boston to Oak Park (Michigan) | 3,710.85 mi (5,972.04 km) |
| Boston to Oak Ridge (Florida) | 4,326.99 mi (6,963.62 km) |
| Boston to Oak Ridge (New Jersey) | 3,439.64 mi (5,535.57 km) |
| Boston to Oak Ridge (Tennessee) | 4,065.12 mi (6,542.19 km) |
| Boston to Oakdale (California) | 5,238.70 mi (8,430.88 km) |
| Boston to Oakdale (Minnesota) | 3,948.21 mi (6,354.04 km) |
| Boston to Oakland (California) | 5,276.59 mi (8,491.85 km) |
| Boston to Oakland (New Jersey) | 3,429.53 mi (5,519.30 km) |
| Boston to Oakland Park (Florida) | 4,393.49 mi (7,070.63 km) |
| Boston to Oakleaf Plantation (Florida) | 4,257.33 mi (6,851.51 km) |
