What are the distance and travel time by car between Duisburg and Cologne?

It's about 72 km depending on exactly where you start from and where you're going. The driving time should be 50 minutes to an hour. http://www.viamichelin.co.uk/viamichelin/gbr/dyn/controller/ItiWGPerformPage?ie=utf-8&reinit=1&strStartCityCountry=612&strStartAddress =&strStartMerged=Malpensa+airport&strDestCityCount ry=612&strDestAddress=&strDestMerged=Bellagio&imag e2.x=0&image2.y=0#startLocid=31M2JoZTEwY05URXVORE1 5TnprPWNOaTQzTmpnd05nPT0_&destLocid=31M2cxazEwY05U QXVPVFF3TXpnPWNOaTQ1TlRrNU1nPT0_&step1Locid=&step2 Locid=&vh=CAR&distance=km&strVehicle=0&intItinerar yType=1&devise=1.0|EUR&isAvoidFrontiers=false&isFa voriseAutoroute=false&isAvoidPeage=false&isAvoidVi gnette=false&isAvoidLNR=false&carTypeHidden=Citadi ne&caravaneHidden=false&typeCarbHidden=essence&aut oConso=9.0&villeConso=8.0&routeConso=7.0&carbCost= 1.3&dtmDeparture=02/05/2008

Viamichelin is a good site for driving directions, distances, and estimated times throughout Europe: http://www.viamichelin.co.uk/viamichelin...

Travel time is difficult to say because that area is famous for it's "staus" (traffic jams)