| Sulphur to Kingsville (Texas) | 330.98 mi (532.65 km) |
| Sulphur to Kinston (North Carolina) | 978.65 mi (1,574.99 km) |
| Sulphur to Kirkland (Washington) | 1,945.02 mi (3,130.20 km) |
| Sulphur to Kirksville (Missouri) | 690.26 mi (1,110.87 km) |
| Sulphur to Kirkwood (Missouri) | 600.63 mi (966.63 km) |
| Sulphur to Kiryas Joel (New York) | 1,316.58 mi (2,118.83 km) |
| Sulphur to Kissimmee (Florida) | 731.46 mi (1,177.18 km) |
| Sulphur to Klamath Falls (Oregon) | 1,775.75 mi (2,857.80 km) |
| Sulphur to Knightdale (North Carolina) | 941.52 mi (1,515.22 km) |
| Sulphur to Knik-Fairview (Alaska) | 3,304.62 mi (5,318.28 km) |
| Sulphur to Knoxville (Tennessee) | 673.07 mi (1,083.21 km) |
| Sulphur to Kokomo (Indiana) | 815.43 mi (1,312.30 km) |
| Sulphur to Kuna (Idaho) | 1,560.05 mi (2,510.66 km) |
| Sulphur to Kyle (Texas) | 271.14 mi (436.36 km) |
| Sulphur to La Cañada Flintridge (California) | 1,474.18 mi (2,372.46 km) |
