According the AA Route Planner (GB Edition) the distance is 189.3 miles, this will take about 3 hours and 30 minutes to drive, assuming you take the direct route and there are no stops, accidents, breakdowns or other hold ups en route.
The distance between Manchester, England and Holyhead, Wales is about 120 road miles or 193 km.
The distance between Holyhead UK and Swansea UK is about 170 road miles.
Distance and time Holyhead to swansea
about 340 miles
140 miles
170 miles or 272km
About 227 miles, which is about 366 kilometres.
516Km
The driving distance from Holyhead to London is 288 road miles.
The shortest distance is 559 miles.
The shortest driving distance is 370 miles.
Holyhead, Isle Of Anglesey to Liverpool, Merseyside = 94 miles.