| Gaithersburg to Keizer (Oregon) | 2,352.32 mi (3,785.69 km) |
| Gaithersburg to Keller (Texas) | 1,194.27 mi (1,921.99 km) |
| Gaithersburg to Kelso (Washington) | 2,338.22 mi (3,763.00 km) |
| Gaithersburg to Kemp Mill (Maryland) | 12.13 mi (19.53 km) |
| Gaithersburg to Ken Caryl (Colorado) | 1,484.92 mi (2,389.74 km) |
| Gaithersburg to Kendale Lakes (Florida) | 946.02 mi (1,522.47 km) |
| Gaithersburg to Kendall (Florida) | 948.04 mi (1,525.73 km) |
| Gaithersburg to Kendall Park (New Jersey) | 166.15 mi (267.40 km) |
| Gaithersburg to Kendall West (Florida) | 946.48 mi (1,523.22 km) |
| Gaithersburg to Kenmore (New York) | 278.36 mi (447.98 km) |
| Gaithersburg to Kenmore (Washington) | 2,301.34 mi (3,703.65 km) |
| Gaithersburg to Kenner (Louisiana) | 971.76 mi (1,563.90 km) |
| Gaithersburg to Kennesaw (Georgia) | 541.29 mi (871.12 km) |
| Gaithersburg to Kennett (Missouri) | 728.99 mi (1,173.20 km) |
| Gaithersburg to Kennewick (Washington) | 2,160.34 mi (3,476.74 km) |
