| Anchorage to Orbetello | 5,194.48 mi (8,359.71 km) |
| Anchorage to Oria | 5,373.84 mi (8,648.36 km) |
| Anchorage to Oristano | 5,342.48 mi (8,597.90 km) |
| Anchorage to Orta Nova | 5,304.67 mi (8,537.05 km) |
| Anchorage to Orte | 5,202.82 mi (8,373.13 km) |
| Anchorage to Ortona | 5,225.75 mi (8,410.04 km) |
| Anchorage to Orvieto | 5,182.98 mi (8,341.21 km) |
| Anchorage to Orzinuovi | 4,981.95 mi (8,017.68 km) |
| Anchorage to Osimo | 5,141.53 mi (8,274.49 km) |
| Anchorage to Ospitaletto | 4,972.63 mi (8,002.67 km) |
| Anchorage to Ostuni | 5,357.53 mi (8,622.11 km) |
| Anchorage to Ottaviano | 5,328.93 mi (8,576.08 km) |
| Anchorage to Ovada | 5,021.89 mi (8,081.94 km) |
| Anchorage to Ozieri | 5,300.43 mi (8,530.21 km) |
| Anchorage to Paceco | 5,509.70 mi (8,867.01 km) |
