| Delaware to Kenosha (Wisconsin) | 295.20 mi (475.08 km) |
| Delaware to Kent (Ohio) | 107.75 mi (173.41 km) |
| Delaware to Kent (Washington) | 1,988.78 mi (3,200.63 km) |
| Delaware to Kentwood (Michigan) | 221.82 mi (356.98 km) |
| Delaware to Kerman (California) | 2,000.39 mi (3,219.32 km) |
| Delaware to Kernersville (North Carolina) | 331.18 mi (532.98 km) |
| Delaware to Kerrville (Texas) | 1,147.41 mi (1,846.58 km) |
| Delaware to Kettering (Maryland) | 348.21 mi (560.39 km) |
| Delaware to Kettering (Ohio) | 69.99 mi (112.64 km) |
| Delaware to Kewanee (Illinois) | 364.52 mi (586.63 km) |
| Delaware to Key Biscayne (Florida) | 1,022.19 mi (1,645.06 km) |
| Delaware to Key Largo (Florida) | 1,058.86 mi (1,704.08 km) |
| Delaware to Key West (Florida) | 1,088.80 mi (1,752.26 km) |
| Delaware to Keystone (Florida) | 840.19 mi (1,352.15 km) |
| Delaware to Kihei (Hawaii) | 4,444.00 mi (7,151.93 km) |
