I am 75 years old. What is agood speed for walking one mile?

Around 20 minutes or so as an average.

Ref:

Average Walking Pace or Speed - Walking (http://www.bellaonline.com/articles/art20257.asp)

And of course one has to consider all of your other health issues.

Thank you. I am walking at 19.30 per mile.

Thank you. I am walking at 19.30 per mile.

Accurate answers but your speed should be a factor of your pulse rather than mph. Consult your doctor regarding how high he would like to see your heart rate and then use a pulse monitor or heart monitor.