Air distance from Majuro, Marshall Islands to San Juan, Puerto Rico is 8161.1 Miles (13134 Kilometers / 7087.1 Nautical Miles).
Flight duration time from Majuro to San Juan is 16 hrs, 56 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.