| Lake Tapps to Oswego (Illinois) | 1,697.72 mi (2,732.21 km) |
| Lake Tapps to Oswego (New York) | 2,201.26 mi (3,542.58 km) |
| Lake Tapps to Otsego (Minnesota) | 1,363.15 mi (2,193.78 km) |
| Lake Tapps to Ottawa (Illinois) | 1,684.33 mi (2,710.67 km) |
| Lake Tapps to Ottawa (Kansas) | 1,476.73 mi (2,376.56 km) |
| Lake Tapps to Ottumwa (Iowa) | 1,526.21 mi (2,456.20 km) |
| Lake Tapps to Overland (Missouri) | 1,698.41 mi (2,733.32 km) |
| Lake Tapps to Overland Park (Kansas) | 1,492.50 mi (2,401.95 km) |
| Lake Tapps to Overlea (Maryland) | 2,324.01 mi (3,740.14 km) |
| Lake Tapps to Oviedo (Florida) | 2,535.02 mi (4,079.73 km) |
| Lake Tapps to Owasso (Oklahoma) | 1,543.01 mi (2,483.23 km) |
| Lake Tapps to Owatonna (Minnesota) | 1,405.85 mi (2,262.49 km) |
| Lake Tapps to Owensboro (Kentucky) | 1,883.02 mi (3,030.42 km) |
| Lake Tapps to Owings Mills (Maryland) | 2,309.62 mi (3,716.98 km) |
| Lake Tapps to Owosso (Michigan) | 1,856.69 mi (2,988.05 km) |
