| Box Elder to Orbetello | 5,211.10 mi (8,386.45 km) |
| Box Elder to Oria | 5,529.27 mi (8,898.50 km) |
| Box Elder to Oristano | 5,246.13 mi (8,442.83 km) |
| Box Elder to Orta Nova | 5,421.24 mi (8,724.64 km) |
| Box Elder to Orte | 5,250.24 mi (8,449.45 km) |
| Box Elder to Ortona | 5,323.86 mi (8,567.93 km) |
| Box Elder to Orvieto | 5,227.61 mi (8,413.02 km) |
| Box Elder to Orzinuovi | 5,018.36 mi (8,076.28 km) |
| Box Elder to Osimo | 5,234.38 mi (8,423.92 km) |
| Box Elder to Ospitaletto | 5,015.31 mi (8,071.37 km) |
| Box Elder to Ostuni | 5,515.07 mi (8,875.65 km) |
| Box Elder to Ottaviano | 5,405.07 mi (8,698.62 km) |
| Box Elder to Ovada | 5,012.39 mi (8,066.66 km) |
| Box Elder to Ozieri | 5,226.97 mi (8,411.99 km) |
| Box Elder to Paceco | 5,487.52 mi (8,831.31 km) |
