| Bologna to Oak Harbor (Washington) | 5,446.60 mi (8,765.46 km) |
| Bologna to Oak Hills (Oregon) | 5,614.32 mi (9,035.38 km) |
| Bologna to Oak Lawn (Illinois) | 4,666.01 mi (7,509.22 km) |
| Bologna to Oak Park (California) | 6,164.51 mi (9,920.81 km) |
| Bologna to Oak Park (Illinois) | 4,659.72 mi (7,499.10 km) |
| Bologna to Oak Park (Michigan) | 4,451.55 mi (7,164.08 km) |
| Bologna to Oak Ridge (Florida) | 4,995.90 mi (8,040.12 km) |
| Bologna to Oak Ridge (New Jersey) | 4,149.61 mi (6,678.16 km) |
| Bologna to Oak Ridge (Tennessee) | 4,782.24 mi (7,696.27 km) |
| Bologna to Oakdale (California) | 6,018.59 mi (9,685.99 km) |
| Bologna to Oakdale (Minnesota) | 4,714.65 mi (7,587.49 km) |
| Bologna to Oakland (California) | 6,056.06 mi (9,746.28 km) |
| Bologna to Oakland (New Jersey) | 4,138.68 mi (6,660.56 km) |
| Bologna to Oakland Park (Florida) | 5,043.39 mi (8,116.56 km) |
| Bologna to Oakleaf Plantation (Florida) | 4,937.14 mi (7,945.55 km) |
