| Campagna to Odessa (Texas) | 6,031.04 mi (9,706.02 km) |
| Campagna to Ogden (Utah) | 5,879.04 mi (9,461.41 km) |
| Campagna to Oildale (California) | 6,426.68 mi (10,342.74 km) |
| Campagna to Ojus (Florida) | 5,329.36 mi (8,576.78 km) |
| Campagna to Okemos (Michigan) | 4,803.49 mi (7,730.48 km) |
| Campagna to Oklahoma City (Oklahoma) | 5,660.03 mi (9,108.94 km) |
| Campagna to Okmulgee (Oklahoma) | 5,592.65 mi (9,000.49 km) |
| Campagna to Olathe (Kansas) | 5,389.33 mi (8,673.28 km) |
| Campagna to Old Jamestown (Missouri) | 5,210.17 mi (8,384.96 km) |
| Campagna to Oldsmar (Florida) | 5,356.75 mi (8,620.85 km) |
| Campagna to Olean (New York) | 4,580.43 mi (7,371.49 km) |
| Campagna to Olive Branch (Mississippi) | 5,368.36 mi (8,639.54 km) |
| Campagna to Olivehurst (California) | 6,287.33 mi (10,118.48 km) |
| Campagna to Olney (Maryland) | 4,636.24 mi (7,461.31 km) |
| Campagna to Olympia (Washington) | 5,850.46 mi (9,415.41 km) |
