| Johnston to Oak Harbor (Washington) | 1,474.29 mi (2,372.64 km) |
| Johnston to Oak Hills (Oregon) | 1,472.20 mi (2,369.27 km) |
| Johnston to Oak Lawn (Illinois) | 307.94 mi (495.58 km) |
| Johnston to Oak Park (California) | 1,453.43 mi (2,339.07 km) |
| Johnston to Oak Park (Illinois) | 305.91 mi (492.32 km) |
| Johnston to Oak Park (Michigan) | 542.86 mi (873.65 km) |
| Johnston to Oak Ridge (Florida) | 1,145.57 mi (1,843.61 km) |
| Johnston to Oak Ridge (New Jersey) | 996.01 mi (1,602.92 km) |
| Johnston to Oak Ridge (Tennessee) | 642.91 mi (1,034.67 km) |
| Johnston to Oakdale (California) | 1,460.36 mi (2,350.22 km) |
| Johnston to Oakdale (Minnesota) | 230.94 mi (371.67 km) |
| Johnston to Oakland (California) | 1,530.37 mi (2,462.89 km) |
| Johnston to Oakland (New Jersey) | 1,009.21 mi (1,624.17 km) |
| Johnston to Oakland Park (Florida) | 1,320.75 mi (2,125.55 km) |
| Johnston to Oakleaf Plantation (Florida) | 1,035.31 mi (1,666.17 km) |
