It's 200km, so about 2½ hours, though traffic could slow this down.
First, you will have to realise that you are going to get very wet, as the English Channel is 22 miles wide and right in your way. Better take your bike across on a ferry from Dover (2 hours) or Newhaven (3 hours) and start from calais or Dieppe. calais is 294 km from Paris, Dieppe 198. If you can average 20kph, you'll take 15 hours from Paris, 10 from Dieppe.
Forever, unless you have an amphibicar; there is no land route from Paris to Chicago.
There is approximately 144 miles between Caen, France and Paris, France. It would take about 2 hours and 20 minutes to drive.
Depending on traffic, from 30mins to 1hr30
5 hours
320 miles
12 hours
Depending on traffic, from 30mins to 1hr30
the distance between Paris and Grenoble, a main town in the French Alps, is 575 km. The driving time is about 5H30.
3.5 hours
six hours
6 HOURS