| Gaithersburg to Iver | 3,645.82 mi (5,867.37 km) |
| Gaithersburg to Ivybridge | 3,528.42 mi (5,678.44 km) |
| Gaithersburg to Jarrow | 3,537.33 mi (5,692.78 km) |
| Gaithersburg to Johnstone | 3,408.47 mi (5,485.40 km) |
| Gaithersburg to Kearsley | 3,529.99 mi (5,680.98 km) |
| Gaithersburg to Keighley | 3,541.70 mi (5,699.82 km) |
| Gaithersburg to Kempston | 3,633.34 mi (5,847.30 km) |
| Gaithersburg to Kendal | 3,500.70 mi (5,633.83 km) |
| Gaithersburg to Kenilworth | 3,585.47 mi (5,770.26 km) |
| Gaithersburg to Kenley | 3,666.92 mi (5,901.33 km) |
| Gaithersburg to Kensington | 3,659.20 mi (5,888.91 km) |
| Gaithersburg to Kenton | 3,652.42 mi (5,878.01 km) |
| Gaithersburg to Kettering | 3,618.31 mi (5,823.11 km) |
| Gaithersburg to Kew Green | 3,657.10 mi (5,885.53 km) |
| Gaithersburg to Keynsham | 3,566.63 mi (5,739.93 km) |
