border countries (7): Austria 321 km, Croatia 348 km, Romania 424 km, Serbia 164 km, Slovakia 627 km, Slovenia 94 km, Ukraine 128 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
