| Lisbon to Olympia Heights (Florida) | 4,154.01 mi (6,685.24 km) |
| Lisbon to Omaha (Nebraska) | 4,395.96 mi (7,074.62 km) |
| Lisbon to On Top of the World Designated Place (Florida) | 4,136.28 mi (6,656.69 km) |
| Lisbon to Onalaska (Wisconsin) | 4,093.37 mi (6,587.63 km) |
| Lisbon to Oneida (New York) | 3,394.37 mi (5,462.71 km) |
| Lisbon to Oneonta (New York) | 3,379.78 mi (5,439.23 km) |
| Lisbon to Ontario (California) | 5,640.28 mi (9,077.16 km) |
| Lisbon to Ontario (Oregon) | 5,164.65 mi (8,311.69 km) |
| Lisbon to Opa-locka (Florida) | 4,143.22 mi (6,667.87 km) |
| Lisbon to Opelika (Alabama) | 4,173.07 mi (6,715.90 km) |
| Lisbon to Opelousas (Louisiana) | 4,587.39 mi (7,382.69 km) |
| Lisbon to Orange (California) | 5,660.32 mi (9,109.41 km) |
| Lisbon to Orange (Texas) | 4,686.71 mi (7,542.53 km) |
| Lisbon to Orange City (Florida) | 4,090.11 mi (6,582.40 km) |
| Lisbon to Orangeburg (South Carolina) | 3,916.17 mi (6,302.47 km) |
