| Ljubljana to Oswego (Illinois) | 4,745.34 mi (7,636.89 km) |
| Ljubljana to Oswego (New York) | 4,207.95 mi (6,772.05 km) |
| Ljubljana to Otsego (Minnesota) | 4,762.70 mi (7,664.83 km) |
| Ljubljana to Ottawa (Illinois) | 4,779.28 mi (7,691.52 km) |
| Ljubljana to Ottawa (Kansas) | 5,153.73 mi (8,294.13 km) |
| Ljubljana to Ottumwa (Iowa) | 4,928.54 mi (7,931.73 km) |
| Ljubljana to Overland (Missouri) | 4,966.17 mi (7,992.28 km) |
| Ljubljana to Overland Park (Kansas) | 5,118.05 mi (8,236.71 km) |
| Ljubljana to Overlea (Maryland) | 4,383.66 mi (7,054.81 km) |
| Ljubljana to Oviedo (Florida) | 5,074.85 mi (8,167.18 km) |
| Ljubljana to Owasso (Oklahoma) | 5,292.81 mi (8,517.95 km) |
| Ljubljana to Owatonna (Minnesota) | 4,806.69 mi (7,735.62 km) |
| Ljubljana to Owensboro (Kentucky) | 4,885.80 mi (7,862.93 km) |
| Ljubljana to Owings Mills (Maryland) | 4,392.93 mi (7,069.73 km) |
| Ljubljana to Owosso (Michigan) | 4,527.11 mi (7,285.69 km) |
