From Blackcat, Essex to all cities in Northumberland starting with letter K
- Keenley, Essex
- Kellah, Essex
- Kielder, Essex
- Kilham, Essex
- Kiln Pit Hill, Essex
- Kimmerston, Essex
- Kirkharle, Essex
- Kirkheaton, Essex
- Kirknewton, Essex
- Kirkwhelpington, Essex
- Klondyke, Essex
- Knarsdale, Essex
- Knocklaw, Essex
- Knowesgate, Essex