The drive from Johnston to Miami is a massive 1,600-mile trek. You will head south through Missouri, Tennessee, and Georgia before taking I-75 all the way down the Florida peninsula. This trip requires roughly 24 hours of driving time. It is a popular route for snowbirds and vacationers.
Total Distance: Driving distance 2,600 km, Air distance 2,100 km.
Plan for at least one overnight stop in Georgia or Northern Florida.
Winter or early spring to avoid the peak summer heat and hurricane season.