| Campagna to Oakley (California) | 6,355.35 mi (10,227.95 km) |
| Campagna to Oakton (Virginia) | 4,656.54 mi (7,493.97 km) |
| Campagna to Oakville (Missouri) | 5,229.34 mi (8,415.80 km) |
| Campagna to Oatfield (Oregon) | 5,939.87 mi (9,559.29 km) |
| Campagna to Ocala (Florida) | 5,282.93 mi (8,502.06 km) |
| Campagna to Ocean Acres (New Jersey) | 4,489.66 mi (7,225.41 km) |
| Campagna to Ocean City (New Jersey) | 4,522.01 mi (7,277.47 km) |
| Campagna to Ocean Pines (Maryland) | 4,580.39 mi (7,371.43 km) |
| Campagna to Ocean Pointe (Hawaii) | 8,131.58 mi (13,086.52 km) |
| Campagna to Ocean Springs (Mississippi) | 5,530.69 mi (8,900.79 km) |
| Campagna to Oceanside (California) | 6,499.17 mi (10,459.41 km) |
| Campagna to Oceanside (New York) | 4,427.75 mi (7,125.77 km) |
| Campagna to Ocoee (Florida) | 5,280.13 mi (8,497.55 km) |
| Campagna to Oconomowoc (Wisconsin) | 4,949.48 mi (7,965.41 km) |
| Campagna to Odenton (Maryland) | 4,622.71 mi (7,439.54 km) |
