| McDonough to Oak Harbor (Washington) | 2,226.32 mi (3,582.92 km) |
| McDonough to Oak Hills (Oregon) | 2,200.05 mi (3,540.64 km) |
| McDonough to Oak Lawn (Illinois) | 604.61 mi (973.02 km) |
| McDonough to Oak Park (California) | 1,978.28 mi (3,183.73 km) |
| McDonough to Oak Park (Illinois) | 616.51 mi (992.18 km) |
| McDonough to Oak Park (Michigan) | 625.79 mi (1,007.12 km) |
| McDonough to Oak Ridge (Florida) | 379.44 mi (610.65 km) |
| McDonough to Oak Ridge (New Jersey) | 745.53 mi (1,199.81 km) |
| McDonough to Oak Ridge (Tennessee) | 174.60 mi (280.98 km) |
| McDonough to Oakdale (California) | 2,069.73 mi (3,330.90 km) |
| McDonough to Oakdale (Minnesota) | 925.63 mi (1,489.66 km) |
| McDonough to Oakland (California) | 2,144.29 mi (3,450.91 km) |
| McDonough to Oakland (New Jersey) | 755.53 mi (1,215.91 km) |
| McDonough to Oakland Park (Florida) | 555.90 mi (894.63 km) |
| McDonough to Oakleaf Plantation (Florida) | 263.76 mi (424.47 km) |
