The calculated distance (air line) between Đồng Xoài and Thủ Dầu Một is approximately 41 miles respectively 67 kilometers.
By car or train, the actual journey to Thủ Dầu Một is certainly longer, as only the direct route (as the crow flies) between Đồng Xoài and Thủ Dầu Một has been calculated here.
Air line (approximately)
67 kilometers
36 nautical miles