| Fort Smith to Kenosha (Wisconsin) | 609.20 mi (980.42 km) |
| Fort Smith to Kent (Ohio) | 810.40 mi (1,304.21 km) |
| Fort Smith to Kent (Washington) | 1,653.07 mi (2,660.36 km) |
| Fort Smith to Kentwood (Michigan) | 700.95 mi (1,128.08 km) |
| Fort Smith to Kerman (California) | 1,434.35 mi (2,308.36 km) |
| Fort Smith to Kernersville (North Carolina) | 802.24 mi (1,291.08 km) |
| Fort Smith to Kerrville (Texas) | 459.50 mi (739.49 km) |
| Fort Smith to Kettering (Maryland) | 997.22 mi (1,604.87 km) |
| Fort Smith to Kettering (Ohio) | 634.90 mi (1,021.78 km) |
| Fort Smith to Kewanee (Illinois) | 472.79 mi (760.88 km) |
| Fort Smith to Key Biscayne (Florida) | 1,075.04 mi (1,730.11 km) |
| Fort Smith to Key Largo (Florida) | 1,090.36 mi (1,754.77 km) |
| Fort Smith to Key West (Florida) | 1,058.10 mi (1,702.85 km) |
| Fort Smith to Keystone (Florida) | 851.58 mi (1,370.49 km) |
| Fort Smith to Kihei (Hawaii) | 3,854.48 mi (6,203.19 km) |
