Nigeria' style='margin:0px 10px 10px 10px'>Land boundaries: total: 4,477 km
border countries (4): Benin 809 km, Cameroon 1975 km, Chad 85 km, Niger 1608 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