What is the Diameter of Earth?
ca 48 700 km
ca 24 700 km
ca 12 700 km
ca 6 700 km
The latest measurements indicate that the Earth has an equatorial diameter of 12,756 km (7926 mi), and a polar diameter of 12713.6 km (7899.86 mi). In short, objects located along the equator are about 21 km further away from the center of the Earth (geocenter) than objects located at the poles. 
reach: rather globalEarthgeographygeologyphysics
Answers by country
ca 48 700 km
ca 24 700 km
ca 12 700 km
ca 6 700 km
answers
 Italy
Italy52
 Lithuania
Lithuania12
 Switzerland
Switzerland33
 Australia
Australia53
 Ghana
Ghana15
 Germany
Germany527
 Republic of Ireland
Republic of Ireland18
 Austria
Austria88
 Greece
Greece32
 Pakistan
Pakistan16
 Israel
Israel16
 India
India201
 Poland
Poland4623
 the United States
the United States284
 the United Kingdom
the United Kingdom159
 Canada
Canada30
 Nigeria
Nigeria18
 the Philippines
the Philippines19
 South Africa
South Africa11
 the Netherlands
the Netherlands30