| Campiglia Marittima to Odessa (Texas) | 5,747.65 mi (9,249.95 km) |
| Campiglia Marittima to Ogden (Utah) | 5,605.79 mi (9,021.65 km) |
| Campiglia Marittima to Oildale (California) | 6,154.97 mi (9,905.47 km) |
| Campiglia Marittima to Ojus (Florida) | 5,053.78 mi (8,133.28 km) |
| Campiglia Marittima to Okemos (Michigan) | 4,519.67 mi (7,273.70 km) |
| Campiglia Marittima to Oklahoma City (Oklahoma) | 5,376.50 mi (8,652.65 km) |
| Campiglia Marittima to Okmulgee (Oklahoma) | 5,308.92 mi (8,543.88 km) |
| Campiglia Marittima to Olathe (Kansas) | 5,106.14 mi (8,217.54 km) |
| Campiglia Marittima to Old Jamestown (Missouri) | 4,926.30 mi (7,928.11 km) |
| Campiglia Marittima to Oldsmar (Florida) | 5,077.81 mi (8,171.94 km) |
| Campiglia Marittima to Olean (New York) | 4,296.46 mi (6,914.49 km) |
| Campiglia Marittima to Olive Branch (Mississippi) | 5,084.40 mi (8,182.56 km) |
| Campiglia Marittima to Olivehurst (California) | 6,021.48 mi (9,690.64 km) |
| Campiglia Marittima to Olney (Maryland) | 4,353.10 mi (7,005.64 km) |
| Campiglia Marittima to Olympia (Washington) | 5,594.43 mi (9,003.36 km) |
