| Louisville to Oakley (California) | 1,947.93 mi (3,134.89 km) |
| Louisville to Oakton (Virginia) | 453.76 mi (730.26 km) |
| Louisville to Oakville (Missouri) | 253.99 mi (408.76 km) |
| Louisville to Oatfield (Oregon) | 1,949.37 mi (3,137.21 km) |
| Louisville to Ocala (Florida) | 652.63 mi (1,050.31 km) |
| Louisville to Ocean Acres (New Jersey) | 619.99 mi (997.78 km) |
| Louisville to Ocean City (New Jersey) | 599.97 mi (965.56 km) |
| Louisville to Ocean Pines (Maryland) | 569.41 mi (916.38 km) |
| Louisville to Ocean Pointe (Hawaii) | 4,386.87 mi (7,059.99 km) |
| Louisville to Ocean Springs (Mississippi) | 565.06 mi (909.38 km) |
| Louisville to Oceanside (California) | 1,799.94 mi (2,896.72 km) |
| Louisville to Oceanside (New York) | 662.99 mi (1,066.98 km) |
| Louisville to Ocoee (Florida) | 703.43 mi (1,132.06 km) |
| Louisville to Oconomowoc (Wisconsin) | 372.04 mi (598.74 km) |
| Louisville to Odenton (Maryland) | 487.20 mi (784.08 km) |
