| Ljubljana to Orangevale (California) | 5,972.19 mi (9,611.32 km) |
| Ljubljana to Orchards (Washington) | 5,580.66 mi (8,981.20 km) |
| Ljubljana to Orcutt (California) | 6,180.88 mi (9,947.17 km) |
| Ljubljana to Oregon (Ohio) | 4,559.54 mi (7,337.87 km) |
| Ljubljana to Oregon (Wisconsin) | 4,725.29 mi (7,604.62 km) |
| Ljubljana to Oregon City (Oregon) | 5,603.15 mi (9,017.40 km) |
| Ljubljana to Orem (Utah) | 5,610.37 mi (9,029.01 km) |
| Ljubljana to Orinda (California) | 6,046.09 mi (9,730.24 km) |
| Ljubljana to Orland Park (Illinois) | 4,731.09 mi (7,613.95 km) |
| Ljubljana to Orlando (Florida) | 5,090.06 mi (8,191.65 km) |
| Ljubljana to Ormond Beach (Florida) | 5,040.46 mi (8,111.84 km) |
| Ljubljana to Oro Valley (Arizona) | 6,036.47 mi (9,714.75 km) |
| Ljubljana to Oroville (California) | 5,932.00 mi (9,546.64 km) |
| Ljubljana to Oshkosh (Wisconsin) | 4,643.15 mi (7,472.43 km) |
| Ljubljana to Oskaloosa (Iowa) | 4,923.18 mi (7,923.10 km) |
