| Lousa to Olympia Heights (Florida) | 4,184.33 mi (6,734.03 km) |
| Lousa to Omaha (Nebraska) | 4,384.20 mi (7,055.69 km) |
| Lousa to On Top of the World Designated Place (Florida) | 4,158.68 mi (6,692.75 km) |
| Lousa to Onalaska (Wisconsin) | 4,080.35 mi (6,566.69 km) |
| Lousa to Oneida (New York) | 3,393.34 mi (5,461.06 km) |
| Lousa to Oneonta (New York) | 3,380.57 mi (5,440.51 km) |
| Lousa to Ontario (California) | 5,620.06 mi (9,044.61 km) |
| Lousa to Ontario (Oregon) | 5,131.16 mi (8,257.80 km) |
| Lousa to Opa-locka (Florida) | 4,173.32 mi (6,716.31 km) |
| Lousa to Opelika (Alabama) | 4,186.09 mi (6,736.86 km) |
| Lousa to Opelousas (Louisiana) | 4,597.95 mi (7,399.68 km) |
| Lousa to Orange (California) | 5,640.20 mi (9,077.02 km) |
| Lousa to Orange (Texas) | 4,696.32 mi (7,558.00 km) |
| Lousa to Orange City (Florida) | 4,113.78 mi (6,620.49 km) |
| Lousa to Orangeburg (South Carolina) | 3,931.65 mi (6,327.37 km) |
