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.
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Answers by country

ca 48 700 km
ca 24 700 km
ca 12 700 km
ca 6 700 km
answers
flagItaly
13%
7%
69%
9%
52
flagLithuania
25%
0%
66%
8%
12
flagAustralia
21%
30%
46%
1%
52
flagSwitzerland
34%
9%
46%
9%
32
flagGhana
26%
6%
46%
20%
15
flagGermany
27%
18%
45%
6%
512
flagRepublic of Ireland
27%
16%
44%
5%
18
flagAustria
19%
31%
39%
8%
86
flagIndia
15%
24%
37%
22%
200
flagGreece
6%
46%
37%
9%
32
flagIsrael
18%
31%
37%
12%
16
flagPakistan
0%
25%
37%
37%
16
flagPoland
28%
23%
35%
11%
4531
flagthe United States
21%
39%
29%
9%
273
flagCanada
24%
41%
24%
10%
29
flagthe United Kingdom
30%
33%
23%
10%
155
flagNigeria
16%
27%
22%
33%
18
flagthe Philippines
15%
42%
21%
21%
19
flagThailand
9%
72%
18%
0%
11
flagthe Netherlands
27%
58%
13%
0%
29