Land boundaries: total: 16,145 km
border countries (10): Argentina 1263 km, Bolivia 3403 km, Colombia 1790 km, French Guiana 649 km, Guyana 1308 km, Paraguay 1371 km, Peru 2659 km, Suriname 515 km, Uruguay 1050 km, Venezuela 2137 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