D20 is a state road in Međimurje and Podravina regions of Croatia connecting Koprivnica to the D3 state road near Čakovec, and the road also serves as a connecting road to the A4 motorway as it forms a junction with the A4 Čakovec interchange.

[1][maps 1] The road is 50.4 km (31.3 mi) long.

[2] Like all other state roads in Croatia, the D20 is managed and maintained by Hrvatske ceste, state owned company.

[3] Traffic is regularly counted and reported by Hrvatske ceste, operator of the road.

[4]