This week, one reader emailed us with a very practical problem. Just how do you work out how far you've run? "What is the easiest and most effective way to measure the distances you're running? I've ...

AccuRoute (www.accuroute.co.uk, $20) is a simple program that does only one thing, and does it well: It allows one to measure distances quickly, easily and accurately on a map, something all runners ...

You can measure distance on Google Maps to give you the approximate mileage between any two points (or more) that you place on the map. When using Google Maps on a computer, right-click a spot on the ...

Google Maps can help you navigate in the real world, but it can also help you determine the distance between points on any map. But don't worry — this doesn't require you to estimate using that scale ...

Navigating aircraft today isn’t like the old days. No more arrows painted on a barn roof or rotating airway beacons. Now, there are a host of radio navigation aids. GPS, of course, is available. But ...