It would take the average sailboat, traveling at 6 Nm/hr, approximately 6 days to reach New York from Ireland.
5 months
3 weeks
1 month
It depends on the wind.
2 days
approx 3 hours depnding on ocean current
Titanic left Ireland to set sail on April 11th, 1912.
2weeks
About 8 Hours by an 1890's aircraft.
2 days
A very long time. I am interested in the number of days at sea.