| Spanaway to Oskaloosa (Iowa) | 1,518.71 mi (2,444.13 km) |
| Spanaway to Oswego (Illinois) | 1,709.59 mi (2,751.32 km) |
| Spanaway to Oswego (New York) | 2,214.65 mi (3,564.14 km) |
| Spanaway to Otsego (Minnesota) | 1,375.84 mi (2,214.21 km) |
| Spanaway to Ottawa (Illinois) | 1,696.03 mi (2,729.50 km) |
| Spanaway to Ottawa (Kansas) | 1,486.15 mi (2,391.72 km) |
| Spanaway to Ottumwa (Iowa) | 1,537.27 mi (2,474.00 km) |
| Spanaway to Overland (Missouri) | 1,708.87 mi (2,750.16 km) |
| Spanaway to Overland Park (Kansas) | 1,502.19 mi (2,417.54 km) |
| Spanaway to Overlea (Maryland) | 2,336.50 mi (3,760.24 km) |
| Spanaway to Oviedo (Florida) | 2,544.08 mi (4,094.31 km) |
| Spanaway to Owasso (Oklahoma) | 1,551.20 mi (2,496.41 km) |
| Spanaway to Owatonna (Minnesota) | 1,418.09 mi (2,282.20 km) |
| Spanaway to Owensboro (Kentucky) | 1,893.70 mi (3,047.61 km) |
| Spanaway to Owings Mills (Maryland) | 2,322.09 mi (3,737.05 km) |
