Complex sentence: He traveled around Finland to meet with other members of the movement, most notably the priests Jonas Lagus and Nils Gustav Malmberg in Pohjanmaa-it is estimated that he traveled 40,000 km altogether, most of it on foot.
Split into simpler sentences: He traveled around Finland to meet with other members of the movement, most notably the priests Jonas Lagus and Nils Gustav Malmberg in Pohjanmaa. It is estimated that he traveled 40,000 km altogether, most of it on foot.