It depends on the route you take, but it is about 86 miles.
Portadown's population is 22,000.
You can drive. You can get buses there. You can get trains to the county, though not to the city. The Dublin to Belfast train passes through county Armagh. If you wanted to go to the city, then you could get a bus from one of the nearby stations, like Newry or Portadown.
Portadown College was created in 1924.
Portadown RFC was created in 1879.
Portadown News was created in 2001.
Portadown F.C. was created in 1924.
Portadown Massacre happened in 1641-11.
Portadown College's motto is 'Fortiter Et Humaniter'.
Portadown railway station was created in 1842.
Portadown Integrated Primary School was created in 1990.
To Dublin in Ireland it is 5990 kilometres or 3722 miles.
167km