| Fort Lewis to Iselin (New Jersey) | 2,407.31 mi (3,874.18 km) |
| Fort Lewis to Isla Vista (California) | 887.51 mi (1,428.31 km) |
| Fort Lewis to Issaquah (Washington) | 39.42 mi (63.44 km) |
| Fort Lewis to Ithaca (New York) | 2,249.10 mi (3,619.58 km) |
| Fort Lewis to Ives Estates (Florida) | 2,721.99 mi (4,380.63 km) |
| Fort Lewis to Jackson (Michigan) | 1,885.62 mi (3,034.61 km) |
| Fort Lewis to Jackson (Mississippi) | 1,979.30 mi (3,185.37 km) |
| Fort Lewis to Jackson (Missouri) | 1,796.22 mi (2,890.74 km) |
| Fort Lewis to Jackson (Tennessee) | 1,900.18 mi (3,058.04 km) |
| Fort Lewis to Jackson (Wyoming) | 624.75 mi (1,005.44 km) |
| Fort Lewis to Jacksonville (Alabama) | 2,116.62 mi (3,406.37 km) |
| Fort Lewis to Jacksonville (Arkansas) | 1,781.90 mi (2,867.69 km) |
| Fort Lewis to Jacksonville (Florida) | 2,452.94 mi (3,947.62 km) |
| Fort Lewis to Jacksonville (Illinois) | 1,687.10 mi (2,715.12 km) |
| Fort Lewis to Jacksonville (North Carolina) | 2,469.07 mi (3,973.58 km) |
