National road 41 diverges from highway 9 in Aura, northeast of Turku. The road passes Pöytyä and Oripää municipal centers, the village of Loimaa Virttaa and the church village of Vampula before arriving in the Huittinen, where the road ends at the junction of highways 2 and 12.
Changes in Finnish road numbering system in 1938 made to road between Turku and Tampere via Huittinen as National road 9. At that time, the alignment of the road differed somewhat from today. The current road was built in the 1960s.
Road 41 starts near ABC-station in Aura.