18 miles.
about 6 miles
It is 409.06 miles according to MapQuest.
365 miles across I-10.
Tempe and Scottsdale abut each other. There is no space between them. Any mileage would depend on where in Tempe and where in Scottsdale.
The driving distance is about 1,740 road miles.
It is 18.4 miles according to Google Maps.
It is 121 miles according to Google Maps.
It is 13.2 miles according to Google Maps.
It is 118 miles according to Google Maps.
It is 33.8 miles according to Google Maps.
Scottsdale and Mesa are part of the greater Phoenix metropolitan area. They share a water border of the Salt River: Scottsdale to the northwest, Mesa to the southeast. There is about 10 miles between their respective downtowns.
It is about 23.5 miles from Scottsdale,AZ to Phoenix,AZ