Q. Which two nations share the "shortest land border between two countries"? Answer:
Botswana and Zambia
Notes: Zambia's shortest border is the 150-metre strip of land that touches Botswana near Kazungula. Zambia lies to the north-west of Botswana. Kazakhstan-Russia share the longest single segment of land border. Gibraltar-Spain and Greenland-Canada rank the second and third respectively for the shortest land borders between two countries.