complete a 142km trip? 1km = 0.6214 and 1? In Europe, gasoline efficency is measured in km/mL. If your cars milage is 26mi/gal, how many L of gas would you need to complete a 142km trip? 1km = 0.6214 and 1 gal=3.78 express you answer in L.I'm so stuck!!! I calculated that 26 mi/gal = 26km/2.348892L but I don't think that's right