City Distance Calculator

http://www.geobytes.com/CityDistanceTool.htm
http://www.mapcrow.info/

Currency Converter

http://www.oanda.com/convert/classic
http://www.xe.com/ucc/
http://finance.yahoo.com/currency/convert?amt=1&from=USD&to=THB&submit=Convert

International Holidays

http://www.earthcalendar.net/index.php
http://www.world-calendar.com/

Embassy Worldwide

http://embassyworld.com/

Weather

http://www.weather.com/
http://weather.yahoo.com/_sv=off

World Clock

http://www.timeanddate.com/worldclock/
http://www.qlock.com/time/