HEATKEYS

Use the distance calculator to find the distance between cities or try other tools like the time difference calculator.

Time zones, time differences, distance calculator, US time zones with area codes and other air travel tools and calculations.

This tool calculates the flight distance and the required flight time/duration for any location/airport in the world.

Find flight, airport and travel information between any two cities worldwide.Flight Reviews.

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

Airplanemanager.com is a web based aircraft flight scheduling software and air charter quoting system built for corporate flight departments and air charter companies.

TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

Use Great Circle Mapper to calculate the distance and flight duration between all airports worldwide and draw the flight route on a map.

Air Routing is a worldwide leader provider of international trip support and corporate flight handling.

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.

A comprehensive calculation website, which aims to provide higher calculation accuracy, ease of use, and fun, contains a wide variety of content such as lunar or nine stars calendar calculation, oblique or area calculation for do-it-yourself, and hig...

Scout UAV DIY Flying Robots, The source for learning how to build your own quadcopter and more!