The calculated distance (air line) between Svay Rieng and Vị Thanh is approximately 93 miles respectively 149 kilometers.
By car or train, the actual journey to Vị Thanh is certainly longer, as only the direct route (as the crow flies) between Svay Rieng and Vị Thanh has been calculated here.
Air line (approximately)
149 kilometers
81 nautical miles