From Zagreb shuttle to Zagreb airport, fly to Dubrovnik airport, then drive to Herceg-Novi. 2 h 29 min $98. From Zagreb Zob bus to Podgorica Zob. 14 h 30 min $67. From Zagreb Glavni Kolod. train to Sarajevo, bus to Pale Busbahnhof, then night bus to Podgorica Zob. 19 h 24 min $71. From Zagreb drive to Podgorica. 8 h 15 min $107.