| Darby to Kaneohe (Hawaii) | 4,899.41 mi (7,884.83 km) |
| Darby to Kankakee (Illinois) | 666.46 mi (1,072.57 km) |
| Darby to Kannapolis (North Carolina) | 425.04 mi (684.04 km) |
| Darby to Kansas City (Kansas) | 1,037.80 mi (1,670.18 km) |
| Darby to Kansas City (Missouri) | 1,027.73 mi (1,653.98 km) |
| Darby to Kapaa (Hawaii) | 4,951.88 mi (7,969.28 km) |
| Darby to Kapolei (Hawaii) | 4,916.48 mi (7,912.31 km) |
| Darby to Katy (Texas) | 1,355.41 mi (2,181.32 km) |
| Darby to Kaukauna (Wisconsin) | 730.33 mi (1,175.35 km) |
| Darby to Kaysville (Utah) | 1,915.34 mi (3,082.45 km) |
| Darby to Kearney (Missouri) | 1,015.03 mi (1,633.53 km) |
| Darby to Kearney (Nebraska) | 1,252.43 mi (2,015.59 km) |
| Darby to Kearns (Utah) | 1,923.29 mi (3,095.24 km) |
| Darby to Kearny (New Jersey) | 83.14 mi (133.80 km) |
| Darby to Keene (New Hampshire) | 259.40 mi (417.47 km) |
