90 miles taking I-10 EAST to I-110 SOUTH (EXIT 46A off I-10 in MISSISSIPPI), then I-110 SOUTH to Biloxi.
It is 1,169.76 miles according to MapQuest.
769.09 kilometres (477.89 miles)
About 500 miles by road, or 444 miles by air.
The airport was formerly known as Moisant Field, and it is also known as Louis Armstrong International Airport and New Orleans International Airport.