| Darby to Kinston (North Carolina) | 345.46 mi (555.97 km) |
| Darby to Kirkland (Washington) | 2,363.41 mi (3,803.53 km) |
| Darby to Kirksville (Missouri) | 914.36 mi (1,471.52 km) |
| Darby to Kirkwood (Missouri) | 815.39 mi (1,312.24 km) |
| Darby to Kiryas Joel (New York) | 113.66 mi (182.92 km) |
| Darby to Kissimmee (Florida) | 875.90 mi (1,409.63 km) |
| Darby to Klamath Falls (Oregon) | 2,397.94 mi (3,859.11 km) |
| Darby to Knightdale (North Carolina) | 335.47 mi (539.88 km) |
| Darby to Knik-Fairview (Alaska) | 3,351.07 mi (5,393.02 km) |
| Darby to Knoxville (Tennessee) | 546.13 mi (878.92 km) |
| Darby to Kokomo (Indiana) | 574.39 mi (924.40 km) |
| Darby to Kuna (Idaho) | 2,114.32 mi (3,402.67 km) |
| Darby to Kyle (Texas) | 1,447.29 mi (2,329.19 km) |
| Darby to La Cañada Flintridge (California) | 2,376.84 mi (3,825.16 km) |
| Darby to La Crescenta-Montrose (California) | 2,378.11 mi (3,827.19 km) |
