Year around it is possible to travel with direct bus from Makarska to Mostar in Bosnia, the bus travel time for 90-130 km long route is about 2.5-3 hours. Below you can see a list of the buses travelling between Makarska and Mostar, pick a date above to see timetable for a specific date.
By car: If you travel with car from Makarska to Mostar it should take you about 2 hours, if you decide to rent a car, make sure you are allowed to take it into Bosnia.
By train: there is no option to travel by train from Makarska, but if you go to Ploce, you have train to Mostar
Plane: No direct planes