| Moorhead to Orbetello | 4,858.13 mi (7,818.41 km) |
| Moorhead to Oria | 5,179.81 mi (8,336.09 km) |
| Moorhead to Oristano | 4,889.38 mi (7,868.70 km) |
| Moorhead to Orta Nova | 5,070.86 mi (8,160.75 km) |
| Moorhead to Orte | 4,898.20 mi (7,882.89 km) |
| Moorhead to Ortona | 4,973.38 mi (8,003.88 km) |
| Moorhead to Orvieto | 4,875.60 mi (7,846.52 km) |
| Moorhead to Orzinuovi | 4,667.44 mi (7,511.52 km) |
| Moorhead to Osimo | 4,884.30 mi (7,860.52 km) |
| Moorhead to Ospitaletto | 4,664.67 mi (7,507.07 km) |
| Moorhead to Ostuni | 5,165.80 mi (8,313.55 km) |
| Moorhead to Ottaviano | 5,053.16 mi (8,132.27 km) |
| Moorhead to Ovada | 4,659.69 mi (7,499.05 km) |
| Moorhead to Ozieri | 4,870.95 mi (7,839.03 km) |
| Moorhead to Paceco | 5,131.77 mi (8,258.79 km) |
