The world’s largest land border is between

Border line which separates outer space from Earth’s atmosphere is known as

What is the total length of border between the United States and Mexico?

Which Country from following does not share border line with Afghanistan?

The border between USA and Canada is officially known as ?

Hindenburg line divides

International date line passes through which strait?

Working boundary is the border between Pakistan and

The length of USA and Canada border is

Mannerheim line separates Russia From