| Cittanova to Olympia Heights (Florida) | 5,460.51 mi (8,787.84 km) |
| Cittanova to Omaha (Nebraska) | 5,473.43 mi (8,808.64 km) |
| Cittanova to On Top of the World Designated Place (Florida) | 5,412.91 mi (8,711.24 km) |
| Cittanova to Onalaska (Wisconsin) | 5,168.33 mi (8,317.63 km) |
| Cittanova to Oneida (New York) | 4,561.98 mi (7,341.80 km) |
| Cittanova to Oneonta (New York) | 4,558.11 mi (7,335.57 km) |
| Cittanova to Ontario (California) | 6,621.22 mi (10,655.83 km) |
| Cittanova to Ontario (Oregon) | 6,035.37 mi (9,712.99 km) |
| Cittanova to Opa-locka (Florida) | 5,449.00 mi (8,769.31 km) |
| Cittanova to Opelika (Alabama) | 5,406.45 mi (8,700.84 km) |
| Cittanova to Opelousas (Louisiana) | 5,803.79 mi (9,340.29 km) |
| Cittanova to Orange (California) | 6,641.63 mi (10,688.67 km) |
| Cittanova to Orange (Texas) | 5,896.93 mi (9,490.19 km) |
| Cittanova to Orange City (Florida) | 5,372.19 mi (8,645.71 km) |
| Cittanova to Orangeburg (South Carolina) | 5,163.83 mi (8,310.38 km) |
