| Fort Lewis to Odessa (Texas) | 1,497.41 mi (2,409.86 km) |
| Fort Lewis to Ogden (Utah) | 662.61 mi (1,066.37 km) |
| Fort Lewis to Oildale (California) | 826.49 mi (1,330.10 km) |
| Fort Lewis to Ojus (Florida) | 2,723.33 mi (4,382.77 km) |
| Fort Lewis to Okemos (Michigan) | 1,872.66 mi (3,013.75 km) |
| Fort Lewis to Oklahoma City (Oklahoma) | 1,518.73 mi (2,444.16 km) |
| Fort Lewis to Okmulgee (Oklahoma) | 1,578.25 mi (2,539.94 km) |
| Fort Lewis to Olathe (Kansas) | 1,502.80 mi (2,418.52 km) |
| Fort Lewis to Old Jamestown (Missouri) | 1,714.53 mi (2,759.27 km) |
| Fort Lewis to Oldsmar (Florida) | 2,511.68 mi (4,042.17 km) |
| Fort Lewis to Olean (New York) | 2,169.64 mi (3,491.70 km) |
| Fort Lewis to Olive Branch (Mississippi) | 1,881.87 mi (3,028.58 km) |
| Fort Lewis to Olivehurst (California) | 556.18 mi (895.09 km) |
| Fort Lewis to Olney (Maryland) | 2,324.49 mi (3,740.90 km) |
| Fort Lewis to Olympia (Washington) | 15.90 mi (25.59 km) |
