Well depends what kind of journey do you prefer by road or by air. By air will be better and fastest way.
M4 Motorway or Train from Padington.
Straight down the M4
No, Aberystwyth is not the capital of Wales. The capital of Wales is Cardiff (Caerdydd).
Swansea's' abbreviation is SWS
Swansea, officially known as the City and County of Swansea, is a coastal city and county in Wales. It is not and does not have a capital. Cardiff is the capital of Wales.
Wales
Swansea is in the county of Glamorgan, in South Wales. See the link below.
South Wales
Swansea SW Wales - DAB Multiplex - was created on 2004-01-31.
Cardiff in south Wales and Bangor in north Wales.
It has never had that honour.
01792 is for Swansea, in Wales.
Yes, it is... Xx
Cardiff and Swansea