Solvorn is located in Luster Municipality down by the fjord. From Sogndal, it takes 15-20 minutes by car to Solvorn, where you follow FV55 towards Luster. From Hafslo it takes about 8 minutes by car, where you follow the Lustravegen and turn off from Galden.
Use the travel planner for Skyss to find out when the buses go to and from Solvorn. You can find information here
Lustrabaatane has several departures from Solvorn to Ornes, where you can experience Urnes Stavkyrkje, which is on the UNESCO World Heritage List. Find timetables here