Measuring out distance. I appreciate that positioning affects combat, but the 5ft square makes it boring.
"How far is it to this door? 5, 10, 15, ..."
Yawn
"Am I close enough to counterspell? 60 feet is 12 squares. 1, 2, 3, ..."
Snooze
"It's 25 feet to the ladder and a 15 foot climb to the...