| Ogden to Orbetello | 5,658.45 mi (9,106.39 km) |
| Ogden to Oria | 5,966.97 mi (9,602.90 km) |
| Ogden to Oristano | 5,704.42 mi (9,180.38 km) |
| Ogden to Orta Nova | 5,861.47 mi (9,433.12 km) |
| Ogden to Orte | 5,695.09 mi (9,165.36 km) |
| Ogden to Ortona | 5,764.58 mi (9,277.19 km) |
| Ogden to Orvieto | 5,672.40 mi (9,128.85 km) |
| Ogden to Orzinuovi | 5,460.86 mi (8,788.40 km) |
| Ogden to Osimo | 5,674.29 mi (9,131.89 km) |
| Ogden to Ospitaletto | 5,457.11 mi (8,782.37 km) |
| Ogden to Ostuni | 5,952.32 mi (9,579.34 km) |
| Ogden to Ottaviano | 5,849.25 mi (9,413.46 km) |
| Ogden to Ovada | 5,459.42 mi (8,786.09 km) |
| Ogden to Ozieri | 5,683.00 mi (9,145.90 km) |
| Ogden to Paceco | 5,942.30 mi (9,563.21 km) |
