| Postojna to Odessa (Texas) | 5,767.42 mi (9,281.77 km) |
| Postojna to Ogden (Utah) | 5,571.77 mi (8,966.89 km) |
| Postojna to Oildale (California) | 6,115.22 mi (9,841.49 km) |
| Postojna to Ojus (Florida) | 5,153.27 mi (8,293.38 km) |
| Postojna to Okemos (Michigan) | 4,549.69 mi (7,322.02 km) |
| Postojna to Oklahoma City (Oklahoma) | 5,398.93 mi (8,688.73 km) |
| Postojna to Okmulgee (Oklahoma) | 5,334.95 mi (8,585.77 km) |
| Postojna to Olathe (Kansas) | 5,124.65 mi (8,247.32 km) |
| Postojna to Old Jamestown (Missouri) | 4,956.41 mi (7,976.57 km) |
| Postojna to Oldsmar (Florida) | 5,163.96 mi (8,310.59 km) |
| Postojna to Olean (New York) | 4,342.27 mi (6,988.21 km) |
| Postojna to Olive Branch (Mississippi) | 5,128.84 mi (8,254.07 km) |
| Postojna to Olivehurst (California) | 5,965.67 mi (9,600.81 km) |
| Postojna to Olney (Maryland) | 4,413.59 mi (7,102.99 km) |
| Postojna to Olympia (Washington) | 5,517.10 mi (8,878.92 km) |
