| Ewa Beach to Oswego (Illinois) | 4,220.72 mi (6,792.59 km) |
| Ewa Beach to Oswego (New York) | 4,803.25 mi (7,730.09 km) |
| Ewa Beach to Otsego (Minnesota) | 3,952.23 mi (6,360.49 km) |
| Ewa Beach to Ottawa (Illinois) | 4,196.91 mi (6,754.27 km) |
| Ewa Beach to Ottawa (Kansas) | 3,864.26 mi (6,218.92 km) |
| Ewa Beach to Ottumwa (Iowa) | 4,011.32 mi (6,455.59 km) |
| Ewa Beach to Overland (Missouri) | 4,127.75 mi (6,642.97 km) |
| Ewa Beach to Overland Park (Kansas) | 3,894.86 mi (6,268.18 km) |
| Ewa Beach to Overlea (Maryland) | 4,856.98 mi (7,816.56 km) |
| Ewa Beach to Oviedo (Florida) | 4,757.39 mi (7,656.28 km) |
| Ewa Beach to Owasso (Oklahoma) | 3,838.32 mi (6,177.18 km) |
| Ewa Beach to Owatonna (Minnesota) | 3,969.14 mi (6,387.72 km) |
| Ewa Beach to Owensboro (Kentucky) | 4,309.50 mi (6,935.46 km) |
| Ewa Beach to Owings Mills (Maryland) | 4,842.00 mi (7,792.45 km) |
| Ewa Beach to Owosso (Michigan) | 4,425.13 mi (7,121.56 km) |
