For millions of workers around the world, simply getting to the office can consume a remarkable part of the day. In the cities with the longest commutes, the average one-way journey can approach or even exceed an hour, which means that an ordinary round trip to work can take two hours out of a person’s day. The reasons for this differ from place to place, but rapid population growth and overloaded roads or public transport all play a major role.
From the packed streets of South Asia to the car-heavy highways of the Americas, click on to see which cities have the longest average commute times.