20
Oregon's population density is 40 people per square mile.
It is 590 mile according to Google Maps.
16
in a normal city it is about 3.2 blocks for a mile
12 blocks equal 1 mile
15 blocks = 1 mile 30 blocks = 2 miles
It's about a 60 mile drive from Salem to Gresham so it'll take you around an hour to an hour and fifteen minutes to get there depending on weather and traffic.
In the greater Phoenix area there are typically 8 blocks in a mile.
10 to 12 blocks
5
10 street blocks (east-west) are equal to 1 mile.
10