Cork is roughly 220–260 km (about 135–160 miles) from Dublin, depending on whether you measure straight-line distance or actual driving route.

Quick Scoop

  • Straight-line distance (as the crow flies): about 219 km / 136 miles.
  • Typical road/driving distance: about 155–162 miles (roughly 250–260 km) via the main motorway routes.
  • Usual driving time: around 2.5 to 3 hours, depending on traffic and your exact start/end points in each city.
  • Train time: about 2–2.5 hours on direct intercity trains between Cork and Dublin Heuston.

If you just want a simple rule of thumb: think about 2.5 hours and roughly 250 km by road between Cork and Dublin.

Information gathered from public forums or data available on the internet and portrayed here.