About 6 hours.
If your a leprechaun you can travel by rainbow
The flight takes about 3.5 hours. When in Dublin Airport, expect delays!
A long time
You can fly in as little as about 40 minutes, depending on where you are flying to.
Depending on when you are travelling and the amount of traffic, you can do it in about an average of 2 hours.
At least 12 hours by plane, depending on where in China you are going to.
Flying from Beijing, China --> Las Vegas, Nevada,would take about 13 hours.
You can't travel directly from Dublin to London by train. Dublin is the capital of Ireland which is an island. Therefore you would have to catch a ferry from Dublin (Ireland) to Liverpool (England) and then get a train from Liverpool to London. The train journey should take less than 3 hours.
A flight from Dublin to Paris would take about 1 hour.
A flight from Cardiff to Dublin would take about 1 hour.
A flight from Dublin to Prague would take about 2 hours.
16 hrs 50 min from Dublin to Bishkek
You can be in Scotland from Dublin by air in less than 40 minutes.
From Birmingham in England to Dublin in Ireland is about 40 minutes.
It takes two weeks to one month to travel from China to the USA with a cargo ship. But alternatively you can also hire a tour agency like "USA Travel Online" for the China to the USA tour.
You would need to get at least 2 trains, one from Belfast to Dublin and one from Dublin to Cork. They are at different stations, so you would have to travel from one to the other on arriving in Dublin, which you can also do by rail. The whole journey from Belfast to Cork could take between 5 and 6 hours, depending on the times you travel and the connections for the departure times.
You cannot travel by boat from Dublin to London unless you have your own private yacht in which case it would take about two weeks. The flight time is about 50 minutes.
it takes about 24 hours to travel from America to china
A flight from Dublin to Barcelona would take about 2 hours.