For shorter trips consider George Town, Cancún, and Nueva Gerona as potential places to explore. All can be options to fly to and are within 134 km of Havana.
Travelers looking to get as far as possible can consider Luanda, Milan, and Madrid as potential destinations for their travel.
If you’re flying from Havana, these routes are more frequently taken by airlines Miami (55 flights per day), Fort Lauderdale (41 flights per day) and Madrid (28 flights per day).