Country Names Whose First and Last Letters Are Furthest Apart in the Alphabet

For example, Greece: G(7) - E(5) = 2. Denmark: K(11) - D(4) = 7. Now find the names where that difference is the greatest.
Standard jetpunk names.
Difference is in absolute value. It doesn't matter if first letter comes before last letter or after.in the alphabet.
For ties, sort is alphabetical.
Quiz by joez
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Last updated: May 14, 2017
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First submittedMay 14, 2017
Times taken137
Average score65.4%
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Difference
Country
25
Zambia
21
Venezuela
21
Zimbabwe
20
Uganda
19
Tanzania
19
Tonga
19
Tunisia
18
Germany
18
Saint Lucia
18
Samoa
18
Saudi Arabia
18
Serbia
18
Slovakia
Difference
Country
18
Slovenia
18
Somalia
18
South Africa
18
South Korea
18
Sri Lanka
18
Syria
17
Bahamas
17
Barbados
17
Belarus
17
Hungary
17
Romania
17
Russia
17
Rwanda
+1
Level 64
May 15, 2017
So you are going by the USA being the United States and not the United States of America.
+1
Level 72
May 15, 2017
The official jetpunk name is United States. Sorry.
+1
Level 65
May 15, 2017
The United States of America is the official name only :)
+1
Level 72
May 15, 2017
I used the Countries of the World List in JetPunk Data.