| Wahiawa to Olympia (Washington) | 2,633.06 mi (4,237.50 km) |
| Wahiawa to Olympia Heights (Florida) | 4,853.68 mi (7,811.25 km) |
| Wahiawa to Omaha (Nebraska) | 3,815.25 mi (6,140.05 km) |
| Wahiawa to On Top of the World Designated Place (Florida) | 4,681.08 mi (7,533.47 km) |
| Wahiawa to Onalaska (Wisconsin) | 4,062.19 mi (6,537.46 km) |
| Wahiawa to Oneida (New York) | 4,841.96 mi (7,792.39 km) |
| Wahiawa to Oneonta (New York) | 4,880.15 mi (7,853.85 km) |
| Wahiawa to Ontario (California) | 2,598.48 mi (4,181.85 km) |
| Wahiawa to Ontario (Oregon) | 2,805.03 mi (4,514.26 km) |
| Wahiawa to Opa-locka (Florida) | 4,855.57 mi (7,814.28 km) |
| Wahiawa to Opelika (Alabama) | 4,452.17 mi (7,165.07 km) |
| Wahiawa to Opelousas (Louisiana) | 4,086.09 mi (6,575.93 km) |
| Wahiawa to Orange (California) | 2,583.82 mi (4,158.25 km) |
| Wahiawa to Orange (Texas) | 3,990.80 mi (6,422.57 km) |
| Wahiawa to Orange City (Florida) | 4,742.51 mi (7,632.33 km) |
