What is the maximum distance a plane can fly travelling constantly North?

10,002 km
20,004 km
40,007 km
It can fly endlessly (as long it can)
Continuous travel North must eventually end at the North Pole. So, the maximum distance is half of the Earth's meridional circumference, which can be reached if a plane starts at the South Pole.
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Answers by country

10,002 km
20,004 km
40,007 km
It can fly endlessly (as long it can)
answers
flagItaly
4%
83%
4%
8%
48
flagGermany
7%
62%
14%
11%
115
flagAustria
23%
61%
15%
0%
13
flagMalaysia
7%
53%
7%
30%
13
flagFrance
20%
50%
20%
8%
24
flagIsrael
6%
50%
12%
18%
16
flagGreece
17%
45%
22%
14%
35
flagAustralia
13%
40%
18%
26%
60
flagSpain
20%
40%
20%
20%
15
flagIndia
11%
39%
17%
28%
145
flagCanada
22%
37%
13%
26%
45
flagPoland
9%
36%
18%
33%
15813
flagthe United Arab Emirates
5%
36%
21%
31%
19
flagthe United States
10%
35%
20%
30%
686
flagthe United Kingdom
14%
33%
16%
33%
227
flagthe Netherlands
11%
33%
16%
36%
36
flagRepublic of Ireland
23%
26%
15%
34%
26
flagthe Philippines
15%
25%
20%
40%
20
flagNorway
12%
25%
31%
31%
16
flagUnknown
15%
21%
21%
42%
19