The calculated distance (air line) between Vũng Tàu and Vĩnh Thạnh is approximately 115 miles respectively 185 kilometers.
By car or train, the actual journey to Vĩnh Thạnh is certainly longer, as only the direct route (as the crow flies) between Vũng Tàu and Vĩnh Thạnh has been calculated here.
Air line (approximately)
185 kilometers
100 nautical miles