| Federal Way to Oswego (Illinois) | 1,705.56 mi (2,744.84 km) |
| Federal Way to Oswego (New York) | 2,207.96 mi (3,553.37 km) |
| Federal Way to Otsego (Minnesota) | 1,370.47 mi (2,205.56 km) |
| Federal Way to Ottawa (Illinois) | 1,692.28 mi (2,723.47 km) |
| Federal Way to Ottawa (Kansas) | 1,485.60 mi (2,390.84 km) |
| Federal Way to Ottumwa (Iowa) | 1,534.48 mi (2,469.51 km) |
| Federal Way to Overland (Missouri) | 1,706.93 mi (2,747.03 km) |
| Federal Way to Overland Park (Kansas) | 1,501.30 mi (2,416.11 km) |
| Federal Way to Overlea (Maryland) | 2,331.46 mi (3,752.13 km) |
| Federal Way to Oviedo (Florida) | 2,543.99 mi (4,094.15 km) |
| Federal Way to Owasso (Oklahoma) | 1,552.18 mi (2,497.99 km) |
| Federal Way to Owatonna (Minnesota) | 1,413.47 mi (2,274.76 km) |
| Federal Way to Owensboro (Kentucky) | 1,891.45 mi (3,044.00 km) |
| Federal Way to Owings Mills (Maryland) | 2,317.08 mi (3,728.98 km) |
| Federal Way to Owosso (Michigan) | 1,863.98 mi (2,999.78 km) |
