Windsor is roughly 35 km (about 22 miles) west of central London in the UK, which by car usually takes around 40–60 minutes depending on traffic.

If you meant Windsor and London in Ontario, Canada, they are much farther apart: about 164–170 km (102–106 miles) in a straight line, with a driving distance of around 190–196 km (120–122 miles), which typically takes about 2–2.5 hours by car.