| Fort Smith to Kinston (North Carolina) | 944.71 mi (1,520.36 km) |
| Fort Smith to Kirkland (Washington) | 1,660.18 mi (2,671.81 km) |
| Fort Smith to Kirksville (Missouri) | 349.05 mi (561.75 km) |
| Fort Smith to Kirkwood (Missouri) | 311.89 mi (501.94 km) |
| Fort Smith to Kiryas Joel (New York) | 1,167.02 mi (1,878.14 km) |
| Fort Smith to Kissimmee (Florida) | 901.60 mi (1,450.99 km) |
| Fort Smith to Klamath Falls (Oregon) | 1,542.68 mi (2,482.71 km) |
| Fort Smith to Knightdale (North Carolina) | 891.61 mi (1,434.91 km) |
| Fort Smith to Knik-Fairview (Alaska) | 2,977.49 mi (4,791.81 km) |
| Fort Smith to Knoxville (Tennessee) | 586.24 mi (943.46 km) |
| Fort Smith to Kokomo (Indiana) | 571.18 mi (919.22 km) |
| Fort Smith to Kuna (Idaho) | 1,297.75 mi (2,088.53 km) |
| Fort Smith to Kyle (Texas) | 422.73 mi (680.32 km) |
| Fort Smith to La Cañada Flintridge (California) | 1,351.43 mi (2,174.91 km) |
| Fort Smith to La Crescenta-Montrose (California) | 1,353.13 mi (2,177.65 km) |
