| Fort Lewis to Oakley (California) | 630.48 mi (1,014.66 km) |
| Fort Lewis to Oakton (Virginia) | 2,322.30 mi (3,737.38 km) |
| Fort Lewis to Oakville (Missouri) | 1,726.55 mi (2,778.61 km) |
| Fort Lewis to Oatfield (Oregon) | 116.29 mi (187.15 km) |
| Fort Lewis to Ocala (Florida) | 2,483.09 mi (3,996.14 km) |
| Fort Lewis to Ocean Acres (New Jersey) | 2,435.64 mi (3,919.78 km) |
| Fort Lewis to Ocean City (New Jersey) | 2,436.28 mi (3,920.82 km) |
| Fort Lewis to Ocean Pines (Maryland) | 2,440.56 mi (3,927.70 km) |
| Fort Lewis to Ocean Pointe (Hawaii) | 2,658.74 mi (4,278.83 km) |
| Fort Lewis to Ocean Springs (Mississippi) | 2,129.63 mi (3,427.31 km) |
| Fort Lewis to Oceanside (California) | 997.20 mi (1,604.83 km) |
| Fort Lewis to Oceanside (New York) | 2,437.06 mi (3,922.06 km) |
| Fort Lewis to Ocoee (Florida) | 2,538.48 mi (4,085.28 km) |
| Fort Lewis to Oconomowoc (Wisconsin) | 1,670.96 mi (2,689.14 km) |
| Fort Lewis to Odenton (Maryland) | 2,344.90 mi (3,773.76 km) |
