| Porto Recanati to Oakley (California) | 6,155.11 mi (9,905.69 km) |
| Porto Recanati to Oakton (Virginia) | 4,493.40 mi (7,231.43 km) |
| Porto Recanati to Oakville (Missouri) | 5,053.43 mi (8,132.72 km) |
| Porto Recanati to Oatfield (Oregon) | 5,736.94 mi (9,232.72 km) |
| Porto Recanati to Ocala (Florida) | 5,132.31 mi (8,259.65 km) |
| Porto Recanati to Ocean Acres (New Jersey) | 4,328.06 mi (6,965.34 km) |
| Porto Recanati to Ocean City (New Jersey) | 4,361.03 mi (7,018.39 km) |
| Porto Recanati to Ocean Pines (Maryland) | 4,420.59 mi (7,114.26 km) |
| Porto Recanati to Ocean Pointe (Hawaii) | 7,932.22 mi (12,765.68 km) |
| Porto Recanati to Ocean Springs (Mississippi) | 5,368.87 mi (8,640.36 km) |
| Porto Recanati to Oceanside (California) | 6,304.03 mi (10,145.35 km) |
| Porto Recanati to Oceanside (New York) | 4,265.01 mi (6,863.87 km) |
| Porto Recanati to Ocoee (Florida) | 5,131.54 mi (8,258.41 km) |
| Porto Recanati to Oconomowoc (Wisconsin) | 4,768.75 mi (7,674.56 km) |
| Porto Recanati to Odenton (Maryland) | 4,459.88 mi (7,177.49 km) |
