| Nanakuli to Orbetello | 7,974.69 mi (12,834.02 km) |
| Nanakuli to Oria | 8,152.05 mi (13,119.45 km) |
| Nanakuli to Oristano | 8,116.22 mi (13,061.79 km) |
| Nanakuli to Orta Nova | 8,085.39 mi (13,012.18 km) |
| Nanakuli to Orte | 7,984.04 mi (12,849.08 km) |
| Nanakuli to Ortona | 8,007.20 mi (12,886.35 km) |
| Nanakuli to Orvieto | 7,964.07 mi (12,816.93 km) |
| Nanakuli to Orzinuovi | 7,761.56 mi (12,491.02 km) |
| Nanakuli to Osimo | 7,923.12 mi (12,751.02 km) |
| Nanakuli to Ospitaletto | 7,752.46 mi (12,476.38 km) |
| Nanakuli to Ostuni | 8,135.77 mi (13,093.26 km) |
| Nanakuli to Ottaviano | 8,110.44 mi (13,052.49 km) |
| Nanakuli to Ovada | 7,799.05 mi (12,551.35 km) |
| Nanakuli to Ozieri | 8,075.76 mi (12,996.69 km) |
| Nanakuli to Paceco | 8,290.27 mi (13,341.89 km) |
