From Boncath, Dyfed to nearby cities in Dyfed
- Llanelli (30 mi)
- Aberystwyth (35.73 mi)
- Bangor Teifi (11.24 mi)
- Bancyffordd (12.65 mi)
- Bancyfford (12.4 mi)
- Bancyfelin (14.59 mi)
- Banc y Darren (40.14 mi)
- Bancycapel (20.05 mi)
- Bancffosfelen (23.97 mi)
- Backe (14.56 mi)
- Babel (38.82 mi)
- Ashfield (30.8 mi)
- Batemans Hill (24.05 mi)
- Begelly (20.02 mi)
- Bengal (16.06 mi)
- Bigyn (30.57 mi)
- Beulah (7.18 mi)
- Betws Ifan (8.35 mi)
- Betws Bledrws (25.52 mi)
- Betws (31.18 mi)
- Bethlehem (17.35 mi)
- Bethlehem (30.9 mi)
- Bethesda (14.42 mi)
- Bethania (27.71 mi)
- Berea (26.04 mi)
- Bentlass (27.36 mi)
- Angle (30.44 mi)
- Amroth (19.48 mi)
- Ammanford (30.86 mi)
- Abergwili (17.8 mi)
- Abergorlech (23.71 mi)
- Aber Giâr (18.58 mi)
- Aberffrwd (39.02 mi)
- Abereiddy (25.72 mi)
- Abercych (3.15 mi)
- Abercastle (21.92 mi)
- Aber banc (9.6 mi)
- Aberarth (23.19 mi)
- Aber Arad (6.98 mi)
- Aberlerry (41.78 mi)
- Abermagwr (36.06 mi)
- Abermeurig (24.58 mi)
- Ambleston (14.77 mi)
- Alltyblaca (20.01 mi)
- Alltwalis (15.44 mi)
- Allt (31.23 mi)
- Albro Castle (5.65 mi)
- Albert Town (21.71 mi)
- Adpar (6.75 mi)
- Achddu (27.3 mi)
- Aberporth (8.79 mi)
- Abernant (12.58 mi)
From Boncath, Dyfed to all cities in Dyfed starting with letter A
- Aber, Dyfed
- Aber Arad, Dyfed
- Aber banc, Dyfed
- Aber Giâr, Dyfed
- Aberaeron, Dyfed
- Aberarth, Dyfed
- Abercastle, Dyfed
- Abercych, Dyfed
- Abereiddy, Dyfed
- Aberffrwd, Dyfed
- Abergorlech, Dyfed
- Abergwili, Dyfed
- Aberlerry, Dyfed
- Abermagwr, Dyfed
- Abermeurig, Dyfed
- Abernant, Dyfed
- Aberporth, Dyfed
- Aberystwyth, Dyfed
- Achddu, Dyfed
- Adpar, Dyfed
- Albert Town, Dyfed
- Albro Castle, Dyfed
- Allt, Dyfed
- Alltwalis, Dyfed
- Alltyblaca, Dyfed
- Ambleston, Dyfed
- Ammanford, Dyfed
- Amroth, Dyfed
- Angle, Dyfed
- Ashfield, Dyfed
From Boncath, Dyfed to Cities in other Counties
- Bedfordshire
- Berkshire
- Bristol
- Buckinghamshire
- Cambridgeshire
- Cheshire
- Cornwall
- Cumbria
- Derbyshire
- Devon
- Dorset
- Durham
- East Riding of Yorkshire
- East Sussex
- Essex
- Gloucestershire
- Greater London
- Greater Manchester
- Hampshire
- Herefordshire
- Hertfordshire
- Isle of Wight
- Kent
- Lancashire
- Leicestershire
- Lincolnshire
- Merseyside
- Norfolk
- North Yorkshire
- Northamptonshire
- Northumberland
- Nottinghamshire
- Oxfordshire
- Rutland
- Shropshire
- Somerset
- South Yorkshire
- Staffordshire
- Suffolk
- Surrey
- Tyne & Wear
- Warwickshire
- West Midlands
- West Sussex
- West Yorkshire
- Wiltshire
- Worcestershire
- Isle of Man
- County Antrim
- County Armagh
- County Derry Londonderry
- County Down
- County Fermanagh
- County Tyrone
- Aberdeenshire
- Angus
- Argyll and Bute
- Ayrshire and Arran
- Banffshire
- Berwickshire
- Caithness
- City of Aberdeen
- City of Dundee
- City of Edinburgh
- City of Glasgow
- Clackmannan
- Dumfries
- Dunbartonshire
- East Lothian
- Fife
- Inverness
- Kincardineshire
- Lanarkshire
- Midlothian
- Moray
- Nairn
- Orkney
- Perth and Kinross
- Renfrewshire
- Ross and Cromarty
- Roxburgh Ettrick and Lauderdale
- Shetland
- Stirling and Falkirk
- Sutherland
- The Stewartry of Kirkcudbright
- Tweeddale
- West Lothian
- Western Isles
- Wigtown
- Clwyd
- Dyfed
- Gwent
- Gwynedd
- Mid Glamorgan
- Powys
- South Glamorgan
- West Glamorgan