May purchase Roadtrek with odometer in kilometers

I have the same issue even though I live in Canada. My E350 odometer reads in kms and I much prefer miles. My 2003 Ford camper speedometer does have mph in a smaller size but I find it hard to read. My Garmin GPS models have a screen which prominently shows speed in a large size that is very easy to see. As Bumpyroad indicates, the GPS is also more accurate. The same GPS screen also has two trip odometers.