We calculated distance with our calculator and with the help of International map agencies and distance between Wels and Düsseldorf is 120 km.
If you go from Wels to Düsseldorf, with normal traffic conditions and non-stop driving, you reach final destination in 1,5 hours.
Depend on car conditions and fuel quality, to travel from Wels to Düsseldorf with car transport, you need 7 gallons gallons of petrol, which will cost around 10 $ with average prices.