Don't use miles when you're really close

[eebbesen]

Kind of like time configurers that say "about an hour ago", adjust how distance is displayed with thresholds. Like less than a third of a mile should be in feet, and more than two miles should just round to the nearest mile or 0.5 mile.

[eebbesen]

Opportunity to create a node package -- maybe use https://github.com/manuelbieh/geolib