Land boundaries: total: 16,145 km
border countries (10): Argentina 1,263 km, Bolivia 3,403 km, Colombia 1,790 km, French Guiana 649 km, Guyana 1,308 km, Paraguay 1,371 km, Peru 2,659 km, Suriname 515 km, Uruguay 1,050 km, Venezuela 2,137 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 January 20, 2018