| Ciro Marina to Oakley (California) | 6,488.22 mi (10,441.78 km) |
| Ciro Marina to Oakton (Virginia) | 4,795.43 mi (7,717.49 km) |
| Ciro Marina to Oakville (Missouri) | 5,369.14 mi (8,640.79 km) |
| Ciro Marina to Oatfield (Oregon) | 6,069.05 mi (9,767.18 km) |
| Ciro Marina to Ocala (Florida) | 5,419.61 mi (8,722.01 km) |
| Ciro Marina to Ocean Acres (New Jersey) | 4,628.36 mi (7,448.62 km) |
| Ciro Marina to Ocean City (New Jersey) | 4,660.62 mi (7,500.54 km) |
| Ciro Marina to Ocean Pines (Maryland) | 4,718.82 mi (7,594.21 km) |
| Ciro Marina to Ocean Pointe (Hawaii) | 8,232.28 mi (13,248.57 km) |
| Ciro Marina to Ocean Springs (Mississippi) | 5,669.33 mi (9,123.91 km) |
| Ciro Marina to Oceanside (California) | 6,635.64 mi (10,679.04 km) |
| Ciro Marina to Oceanside (New York) | 4,566.60 mi (7,349.24 km) |
| Ciro Marina to Ocoee (Florida) | 5,416.37 mi (8,716.80 km) |
| Ciro Marina to Oconomowoc (Wisconsin) | 5,089.16 mi (8,190.22 km) |
| Ciro Marina to Odenton (Maryland) | 4,761.57 mi (7,663.00 km) |
