Quickly Find Flight Distance & Duration With Great Circle Mapper | Million Mile Secrets
XPFlightPlanner – Create flight plans for X-Plane
Flight Distance Calculator by Nicolas Schotten
TASoftware - Plan-G flight planning software
iFlightPlanner Blog | iFlightPlanner
VFR Flight Planning | Online VFR Flying Made Easy
En-Route Webinar | AirportCharges
Flight Distance Calculator on the App Store
GitHub - Open-Flight-Route-Calculator/Open-Flight-Route-Calculator: Software designed for the calculation and plot of aviation routes (orthodromic and loxodromic routes), given two coordinates and a projection.
Air Miles Calculator
Buzz: We updated our Flight Route Calculator apps for both IOS and Android
RouteFinder (free access area)
How to Draw Routes and Calculate Route Time and Distance on the Fly Using Google Map API V3
This fascinating new tool lets you map the cheapest flights from any city - MarketWatch