| Johnston to Kaneohe (Hawaii) | 3,928.16 mi (6,321.76 km) |
| Johnston to Kankakee (Illinois) | 306.33 mi (492.99 km) |
| Johnston to Kannapolis (North Carolina) | 825.45 mi (1,328.44 km) |
| Johnston to Kansas City (Kansas) | 185.35 mi (298.29 km) |
| Johnston to Kansas City (Missouri) | 182.68 mi (293.99 km) |
| Johnston to Kapaa (Hawaii) | 3,980.58 mi (6,406.12 km) |
| Johnston to Kapolei (Hawaii) | 3,945.21 mi (6,349.19 km) |
| Johnston to Katy (Texas) | 830.65 mi (1,336.81 km) |
| Johnston to Kaukauna (Wisconsin) | 328.63 mi (528.89 km) |
| Johnston to Kaysville (Utah) | 944.34 mi (1,519.76 km) |
| Johnston to Kearney (Missouri) | 164.83 mi (265.26 km) |
| Johnston to Kearney (Nebraska) | 286.88 mi (461.69 km) |
| Johnston to Kearns (Utah) | 951.96 mi (1,532.03 km) |
| Johnston to Kearny (New Jersey) | 1,018.62 mi (1,639.32 km) |
| Johnston to Keene (New Hampshire) | 1,094.94 mi (1,762.14 km) |
