From Marshes, Gwent to all cities in West Sussex starting with letter L
- Lagness, Gwent
- Lambs Green, Gwent
- Lancing, Gwent
- Langley, Gwent
- Langley Green, Gwent
- Leggatt Hill, Gwent
- Lickfold, Gwent
- Lickfold, Gwent
- Lidsey, Gwent
- Linchmere, Gwent
- Lindfield, Gwent
- Little Bognor, Gwent
- Little Haven, Gwent
- Little London, Gwent
- Littlehampton, Gwent
- Littleworth, Gwent
- Lodsworth, Gwent
- Lodsworth Common, Gwent
- Lords Common, Gwent
- Lordington, Gwent
- Lower Beeding, Gwent
- Lower Cokeham, Gwent
- Lower Fittleworth, Gwent
- Lower Horncroft, Gwent
- Lowfield Heath, Gwent
- Loxwood, Gwent
- Lumley, Gwent
- Lurgashall, Gwent
- Lyminster, Gwent
- Lyoth Common, Gwent