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
flagSwitzerland
33%
9%
48%
9%
33
flagAustralia
20%
30%
47%
1%
53
flagGhana
26%
6%
46%
20%
15
flagGermany
27%
18%
45%
7%
530
flagRepublic of Ireland
27%
16%
44%
5%
18
flagAustria
19%
32%
38%
7%
88
flagGreece
6%
46%
37%
9%
32
flagIsrael
18%
31%
37%
12%
16
flagPakistan
0%
25%
37%
37%
16
flagIndia
14%
24%
36%
22%
201
flagPoland
28%
23%
35%
11%
4636
flagthe United States
21%
38%
30%
9%
289
flagthe United Kingdom
30%
33%
25%
10%
160
flagCanada
23%
43%
23%
10%
30
flagNigeria
16%
27%
22%
33%
18
flagthe Philippines
15%
42%
21%
21%
19
flagthe Netherlands
25%
54%
19%
0%
31
flagSouth Africa
27%
27%
18%
18%
11