It takes about 4 hours or so.
About 250 miles.
About 700 miles by road.
500
It is 862.42 miles according to MapQuest.
Air miles between Miami, Florida and New Orleans, Louisiana total 669. That is 1,077 kilometers. That is 581 nautical miles.
It is 862.45 miles according to MapQuest.
It is 864 miles according to Google Maps.
It is 567 miles according to Google Maps.
It is 385 miles according to Google Maps.
You didn't pick a particular place in Florida, so I picked Pensacola for this question. About 199 miles by road.
It is 658 miles according to Google Maps
It is 647 miles according to Google Maps.