| Waipahu to Orbetello | 7,973.60 mi (12,832.27 km) |
| Waipahu to Oria | 8,151.72 mi (13,118.92 km) |
| Waipahu to Oristano | 8,114.72 mi (13,059.38 km) |
| Waipahu to Orta Nova | 8,084.83 mi (13,011.28 km) |
| Waipahu to Orte | 7,983.10 mi (12,847.56 km) |
| Waipahu to Ortona | 8,006.50 mi (12,885.22 km) |
| Waipahu to Orvieto | 7,963.10 mi (12,815.37 km) |
| Waipahu to Orzinuovi | 7,760.42 mi (12,489.19 km) |
| Waipahu to Osimo | 7,922.33 mi (12,749.76 km) |
| Waipahu to Ospitaletto | 7,751.34 mi (12,474.58 km) |
| Waipahu to Ostuni | 8,135.44 mi (13,092.72 km) |
| Waipahu to Ottaviano | 8,109.71 mi (13,051.32 km) |
| Waipahu to Ovada | 7,797.74 mi (12,549.25 km) |
| Waipahu to Ozieri | 8,074.34 mi (12,994.40 km) |
| Waipahu to Paceco | 8,289.21 mi (13,340.19 km) |
