| Ewa Beach to Orangevale (California) | 2,483.42 mi (3,996.68 km) |
| Ewa Beach to Orchards (Washington) | 2,612.20 mi (4,203.93 km) |
| Ewa Beach to Orcutt (California) | 2,456.83 mi (3,953.89 km) |
| Ewa Beach to Oregon (Ohio) | 4,472.99 mi (7,198.59 km) |
| Ewa Beach to Oregon (Wisconsin) | 4,162.55 mi (6,698.98 km) |
| Ewa Beach to Oregon City (Oregon) | 2,598.31 mi (4,181.58 km) |
| Ewa Beach to Orem (Utah) | 3,002.35 mi (4,831.82 km) |
| Ewa Beach to Orinda (California) | 2,416.73 mi (3,889.36 km) |
| Ewa Beach to Orland Park (Illinois) | 4,245.56 mi (6,832.57 km) |
| Ewa Beach to Orlando (Florida) | 4,751.45 mi (7,646.73 km) |
| Ewa Beach to Ormond Beach (Florida) | 4,752.21 mi (7,647.94 km) |
| Ewa Beach to Oro Valley (Arizona) | 2,973.60 mi (4,785.54 km) |
| Ewa Beach to Oroville (California) | 2,484.13 mi (3,997.82 km) |
| Ewa Beach to Oshkosh (Wisconsin) | 4,201.00 mi (6,760.85 km) |
| Ewa Beach to Oskaloosa (Iowa) | 3,999.35 mi (6,436.34 km) |
