2005q
Singapore covers a total area of approximately 725 square kilometers.
6,305 km.
If 11.6 km is diameter, then 11.6 * pi = 36.4425 km circumference If 11.6 km is radius, then 11.6 * 2 * pi = 72.8850 km circumference
The circumference of a circle with a diameter of 16 km is: 50.3 km
A circle with a radius of 1.8 km has a circumference of 11.31 km
The flight distance from Washington, District of Columbia to Singapore, Singapore is:9,664 miles / 15,553 km
A circle with a radius of 126 km has a circumference of 791.68 km.
Singapore to Perth is 2427 miles / 3905.88 km / 2109 nautical miles.
32km, i just found it in Wikipedia :)
Singapore - 693 km2
The mainland of Singapore measures 50 km (31 mi) from east to west and 26 km (16 mi) from north to south.
Circumference = pi*2.5 = 7.85 km