| Gateway to Oak Harbor (Washington) | 2,652.25 mi (4,268.39 km) |
| Gateway to Oak Hills (Oregon) | 2,603.68 mi (4,190.22 km) |
| Gateway to Oak Lawn (Illinois) | 1,099.93 mi (1,770.17 km) |
| Gateway to Oak Park (California) | 2,255.33 mi (3,629.60 km) |
| Gateway to Oak Park (Illinois) | 1,111.84 mi (1,789.33 km) |
| Gateway to Oak Park (Michigan) | 1,100.59 mi (1,771.23 km) |
| Gateway to Oak Ridge (Florida) | 132.35 mi (213.00 km) |
| Gateway to Oak Ridge (New Jersey) | 1,080.79 mi (1,739.37 km) |
| Gateway to Oak Ridge (Tennessee) | 665.58 mi (1,071.15 km) |
| Gateway to Oakdale (California) | 2,393.95 mi (3,852.70 km) |
| Gateway to Oakdale (Minnesota) | 1,415.62 mi (2,278.22 km) |
| Gateway to Oakland (California) | 2,468.48 mi (3,972.63 km) |
| Gateway to Oakland (New Jersey) | 1,086.40 mi (1,748.40 km) |
| Gateway to Oakland Park (Florida) | 102.36 mi (164.73 km) |
| Gateway to Oakleaf Plantation (Florida) | 248.08 mi (399.24 km) |
