Quickest 1h 39min
There are from Aberystwyth to Carmarthen.
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There is just 1 way to travel from Aberystwyth to Carmarthen. 1 bus is possible between the two areas. The bus from Aberystwyth to Carmarthen is the cheapest and fastest.
It's important to check each mode when booking your ticket so that you can find the best method for you. The cost of each type varies differently, so be sure to use Faretrotter to keep an eye out!