| Bologna to Odessa (Texas) | 5,715.11 mi (9,197.58 km) |
| Bologna to Ogden (Utah) | 5,553.14 mi (8,936.91 km) |
| Bologna to Oildale (California) | 6,100.55 mi (9,817.89 km) |
| Bologna to Ojus (Florida) | 5,053.97 mi (8,133.57 km) |
| Bologna to Okemos (Michigan) | 4,490.47 mi (7,226.72 km) |
| Bologna to Oklahoma City (Oklahoma) | 5,344.80 mi (8,601.63 km) |
| Bologna to Okmulgee (Oklahoma) | 5,278.59 mi (8,495.08 km) |
| Bologna to Olathe (Kansas) | 5,072.77 mi (8,163.83 km) |
| Bologna to Old Jamestown (Missouri) | 4,897.38 mi (7,881.57 km) |
| Bologna to Oldsmar (Florida) | 5,072.16 mi (8,162.86 km) |
| Bologna to Olean (New York) | 4,273.46 mi (6,877.47 km) |
| Bologna to Olive Branch (Mississippi) | 5,061.30 mi (8,145.37 km) |
| Bologna to Olivehurst (California) | 5,961.41 mi (9,593.97 km) |
| Bologna to Olney (Maryland) | 4,336.16 mi (6,978.38 km) |
| Bologna to Olympia (Washington) | 5,526.96 mi (8,894.79 km) |
