The 37-year-old, who now plays for the Montreal Impact, told Reuters that the North American league is well on its way to becoming one of the best football competitions in the world.
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“It's a different challenge (in the U.S.),” he said.
“People think it's easy to play there. Believe me, it's more difficult than playing in the Premier League because of the travel.
“You can stay at an airport for three or four hours if you miss your flight, so that is what is really levelling the game.
“There are not a lot of away wins because when the teams arrive they are tired. There are also some very good players in the league.
“It's a growing league and I think it's going to be one of the most important and decisive leagues in the world in a few years.”
Drogba scored 12 times in 14 appearances for Montreal in his first season and took the Impact to the semi-finals.
The Ivory Coast legend still has one year left on his contract but hasn’t made a decision on his future yet.
“I'm just enjoying playing, running everywhere, defending, scoring goals, traveling, going to new cities, discovering new plans and a new way of life."