It takes an hour or two to get there. It depends on the traffic.
Google Maps give the distance as 139 miles.
The driving distance from Forest Park, Georgia to Jacksonville, Florida is:337 miles / 542 km
149 miles
317 miles
320 miles.
The halfway point between Savannah, Georgia and Lessburg, Florida is in Jacksonville, Florida.
About 485 miles.
About 335 miles
about 40 miles
It is 281.11 miles according to MapQuest,
The driving distance from Jacksonville, Florida to Savannah, Georgia is 138.7 miles when you take I-95 N. The driving time is 2 hours 5 minutes.