What is This Country's Longest Border With?

The way I chose the countries for this I just flipped open my CIA World Factbook, and these are the countries that I landed on. Data also from the CIA World Factbook, Have Fun!
I do take quiz suggestions, if your suggestion is chosen then you will receive credit in the description.
I will make another quiz like this if this quiz gets 25 plays.
Quiz by Geographystar
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Last updated: August 3, 2019
First submittedAugust 2, 2019
Times taken54
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Country
Longest Border
Distance (Km)
Belgium
France
556
Belize
Mexico
276
Colombia
Venezuela
2,341
Hungary
Slovakia
627
Lebanon
Syria
403
Nigeria
Cameroon
1,975
Oman
Saudi Arabia
658
Thailand
Myanmar
2,416
Togo
Ghana
1,098
Vietnam
Laos
2,161
+1
Level 70
Aug 2, 2019
Cameroon is spelled wrong.
+1
Level 52
Aug 2, 2019
Thanks! Fixing now!
+1
Level 52
Aug 2, 2019
Fixed!
+1
Level 65
Aug 3, 2019
Vietnam is also spelled wrong
+1
Level 52
Aug 3, 2019
Ditto
+1
Level 52
Aug 3, 2019
Fixed
+1
Level 52
Aug 4, 2019
Well this got over 25 plays, so a second edition is on the way today!