| Vittoriosa to Olympia Heights (Florida) | 5,451.22 mi (8,772.89 km) |
| Vittoriosa to Omaha (Nebraska) | 5,531.74 mi (8,902.48 km) |
| Vittoriosa to On Top of the World Designated Place (Florida) | 5,416.35 mi (8,716.77 km) |
| Vittoriosa to Onalaska (Wisconsin) | 5,225.88 mi (8,410.24 km) |
| Vittoriosa to Oneida (New York) | 4,595.96 mi (7,396.49 km) |
| Vittoriosa to Oneonta (New York) | 4,589.38 mi (7,385.90 km) |
| Vittoriosa to Ontario (California) | 6,703.39 mi (10,788.06 km) |
| Vittoriosa to Ontario (Oregon) | 6,133.60 mi (9,871.07 km) |
| Vittoriosa to Opa-locka (Florida) | 5,440.04 mi (8,754.90 km) |
| Vittoriosa to Opelika (Alabama) | 5,424.91 mi (8,730.55 km) |
| Vittoriosa to Opelousas (Louisiana) | 5,828.55 mi (9,380.14 km) |
| Vittoriosa to Orange (California) | 6,723.81 mi (10,820.93 km) |
| Vittoriosa to Orange (Texas) | 5,923.79 mi (9,533.41 km) |
| Vittoriosa to Orange City (Florida) | 5,373.41 mi (8,647.66 km) |
| Vittoriosa to Orangeburg (South Carolina) | 5,177.05 mi (8,331.66 km) |
