Italy borders Switzerland (698 km or 434 mi), France (476 km or 296 mi), Austria (404 km or 251 mi) and Slovenia (218 km or 135 mi). San Marino (37 km or 23 mi) and Vatican city (3.4 km or 2.1 mi) are enclaves. The total border length is 1,836.4 km (1,141.1 mi).