| Sumter to Kingsville (Texas) | 1,126.62 mi (1,813.12 km) |
| Sumter to Kinston (North Carolina) | 183.98 mi (296.09 km) |
| Sumter to Kirkland (Washington) | 2,348.69 mi (3,779.86 km) |
| Sumter to Kirksville (Missouri) | 797.66 mi (1,283.71 km) |
| Sumter to Kirkwood (Missouri) | 643.53 mi (1,035.66 km) |
| Sumter to Kiryas Joel (New York) | 614.09 mi (988.28 km) |
| Sumter to Kissimmee (Florida) | 394.02 mi (634.12 km) |
| Sumter to Klamath Falls (Oregon) | 2,298.21 mi (3,698.61 km) |
| Sumter to Knightdale (North Carolina) | 167.12 mi (268.95 km) |
| Sumter to Knik-Fairview (Alaska) | 3,515.08 mi (5,656.97 km) |
| Sumter to Knoxville (Tennessee) | 245.40 mi (394.94 km) |
| Sumter to Kokomo (Indiana) | 550.02 mi (885.17 km) |
| Sumter to Kuna (Idaho) | 2,031.55 mi (3,269.47 km) |
| Sumter to Kyle (Texas) | 1,059.44 mi (1,705.01 km) |
| Sumter to La Cañada Flintridge (California) | 2,151.13 mi (3,461.91 km) |
