You can use these calculators to calculate the total traveling time for a round trip or a multi-city trip.

Travel Time Calculator
Ever wonder what time it will be in New York when you arrive in Hong Kong? Or how much longer your trip will be with a stop-over in London? This service calculates the total traveling time for a round trip or a multi-city trip (up to 8 cities) between cities or locations available in our World Clock, as well as display the local time for the selected cities, time zone information, and a map showing the path of the journey.