Air distance from San Diego, USA to Lisbon, Portugal is 5706.9 Miles (9184.3 Kilometers / 4955.8 Nautical Miles).
Flight duration time from San Diego to Lisbon is 11 hrs, 51 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.