| Formia to Odessa (Texas) | 5,945.29 mi (9,568.02 km) |
| Formia to Ogden (Utah) | 5,799.05 mi (9,332.67 km) |
| Formia to Oildale (California) | 6,347.42 mi (10,215.19 km) |
| Formia to Ojus (Florida) | 5,241.96 mi (8,436.12 km) |
| Formia to Okemos (Michigan) | 4,717.23 mi (7,591.65 km) |
| Formia to Oklahoma City (Oklahoma) | 5,574.14 mi (8,970.71 km) |
| Formia to Okmulgee (Oklahoma) | 5,506.52 mi (8,861.89 km) |
| Formia to Olathe (Kansas) | 5,303.77 mi (8,535.59 km) |
| Formia to Old Jamestown (Missouri) | 5,123.84 mi (8,246.03 km) |
| Formia to Oldsmar (Florida) | 5,269.02 mi (8,479.68 km) |
| Formia to Olean (New York) | 4,493.37 mi (7,231.37 km) |
| Formia to Olive Branch (Mississippi) | 5,281.26 mi (8,499.37 km) |
| Formia to Olivehurst (California) | 6,210.65 mi (9,995.07 km) |
| Formia to Olney (Maryland) | 4,548.67 mi (7,320.38 km) |
| Formia to Olympia (Washington) | 5,777.78 mi (9,298.44 km) |
