| Waipahu to Olympia (Washington) | 2,638.90 mi (4,246.90 km) |
| Waipahu to Olympia Heights (Florida) | 4,856.04 mi (7,815.05 km) |
| Waipahu to Omaha (Nebraska) | 3,819.55 mi (6,146.97 km) |
| Waipahu to On Top of the World Designated Place (Florida) | 4,683.85 mi (7,537.93 km) |
| Waipahu to Onalaska (Wisconsin) | 4,066.84 mi (6,544.95 km) |
| Waipahu to Oneida (New York) | 4,846.67 mi (7,799.96 km) |
| Waipahu to Oneonta (New York) | 4,884.79 mi (7,861.32 km) |
| Waipahu to Ontario (California) | 2,601.83 mi (4,187.25 km) |
| Waipahu to Ontario (Oregon) | 2,810.16 mi (4,522.51 km) |
| Waipahu to Opa-locka (Florida) | 4,857.95 mi (7,818.12 km) |
| Waipahu to Opelika (Alabama) | 4,455.35 mi (7,170.20 km) |
| Waipahu to Opelousas (Louisiana) | 4,088.83 mi (6,580.34 km) |
| Waipahu to Orange (California) | 2,587.13 mi (4,163.58 km) |
| Waipahu to Orange (Texas) | 3,993.44 mi (6,426.83 km) |
| Waipahu to Orange City (Florida) | 4,745.28 mi (7,636.79 km) |
