border countries (6): Cameroon 1116 km, Central African Republic 1556 km, Libya 1050 km, Niger 1196 km, Nigeria 85 km, Sudan 1403 km
Definition: This entry contains the total length of all land boundaries and the individual lengths for each of the contiguous border countries. When available, official lengths published by national statistical agencies are used. Because surveying methods may differ, country border lengths reported by contiguous countries may differ.
Source: CIA World Factbook - This page was last updated on Saturday, September 18, 2021