Map of Llanelli, United Kingdom

Llanelli is a city in Wales, United Kingdom, with a population of about 49,591. It lies at 51.6820°N, 4.1619°W. Llanelli is about 279 km (174 mi) west of London, the capital. The nearest city on our map is Swansea, 17 km to the southeast.

Llanelli at a glance

Where is Llanelli?

• The 10th largest city in Wales on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 7 h 48 min on the shortest day to 16 h 40 min on the longest day (around 21 December and 21 June).

Cities near Llanelli

• Swansea — 17 km southeast
• Briton Ferry — 24 km east
• Neath — 25 km east
• Bridgend — 45 km southeast
• Coity — 46 km southeast
• Tonypandy — 49 km east
• Rhondda — 49 km east
• Merthyr Tydfil — 55 km east
• Barry — 68 km southeast
• Cardiff — 71 km east

Largest cities in Wales

• Cardiff — 372,089
• Swansea — 300,352
• Newport — 161,506
• Rhondda — 69,506
• Wrexham — 65,692
• Buckley — 63,576
• Tonypandy — 62,545
• Barry — 54,673
• Bridgend — 49,597
• Cwmbran — 48,535

Largest cities in United Kingdom

• London — 8,961,989
• Birmingham — 1,157,603
• Glasgow — 626,410
• Manchester — 568,996
• Sheffield — 556,500
• Leeds — 536,280
• Edinburgh — 514,990
• Liverpool — 496,770
• Bristol — 479,024
• Cardiff — 372,089

Map of United Kingdom and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.