List of countries that border only one other country

Columns: Country | Neighbour | Border length ( km ) | Border length ( mi )
Brunei | Malaysia | 381 | 237 | Canada | United States | 8,893 | 5,526 | Denmark | Germany | 68 | 42 | Dominican Republic | Haiti | 360 | 220 | The Gambia | Senegal | 740 | 460 | Haiti | Dominican Republic | 360 | 220 | Ireland | United Kingdom | 360 | 220 | Lesotho | South Africa | 909 | 565 | Monaco | France | 4.4 | 2.7

Example questions:
How many kilometres long is the border of the country on this list that was established by the Lateran Treaty in 1929 ? | How many miles long is the border of the country on the list of countries bordering only one country known as the Abode of Peace ? | The country on this list that borders only Germany lost territory to which country after wars that began in the 17th century ? | Which country only borders the country on this list with the capital city of Dublin ? | What country only borders the country on this list that also includes two autonomous territories in the North Atlantic Ocean ?

Answers:
3.2 | 237 | Sweden | United Kingdom | Germany