- Langtoft
- Langport
- Langley Park
- Langley Green
- Langholm
- Langho
- Lancing
- Lanchester
- Lancaster
- Lanark
- Lampeter
- Lamesley
- Lambourn
- Lambeth
- Lakenheath
- Laceby
- Kolossi
- Knutsford
- Knowle
- Knottingley
- Knighton
- Knebworth
- Knaresborough
- Knaphill
- Kirton in Lindsey
- Kirton
- Kirriemuir
- Kirkwall
- Kirkliston
- Kirkintilloch
- Kirkham
- Kirkcudbright
- Kirkconnel
- Kirkcaldy
- Kirkby in Ashfield
- Kirkby
- Kirkburton
- Kirk Sandall
- Kirby Muxloe
- Kintore
- Kintbury
- Kinross
- Kinloss
- Kington
- Kingswood
- Kingswinford
- Kingsteignton
- Kingskerswell
- Kingsclere
- Kingsbury
- Kingsbridge
- Kings Worthy
- Kings Lynn
- Kings Langley
- Kings Hill
- Kinghorn
- Kincardine
- Kimberley
- Kilwinning
- Kilsyth
- Kilmaurs
- Kilmarnock
- Kilmacolm
- Killyleagh
- Killamarsh
- Kilkeel
- Kilgetty
- Kilburn
- Kilbirnie
- Kilbarchan
- Kidwelly
- Kidsgrove
- Kidlington
- Kidderminster
- Kibworth Harcourt
- Keynsham
- Keyingham
- Kettering
- Keswick
- Kessingland
- Kesgrave
- Keresley
- Kennoway
- Kenilworth
- Kendal
- Kemsing
- Kempston Hardwick
- Kempston
- Kempsey
- Kemnay
- Kelvedon Hatch
- Kelvedon
- Kelty
- Kelso
- Kelsall
- Keith
- Keighley
- Kegworth
- Keelby
- Kearsley
