The calculated distance (air line) between Svay Rieng and Rạch Giá is approximately 89 miles respectively 143 kilometers.
By car or train, the actual journey to Rạch Giá is certainly longer, as only the direct route (as the crow flies) between Svay Rieng and Rạch Giá has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles