The calculated distance (air line) between thị xã Quảng Trị and Đồng Hới is approximately 62 miles respectively 100 kilometers.
By car or train, the actual journey to Đồng Hới is certainly longer, as only the direct route (as the crow flies) between thị xã Quảng Trị and Đồng Hới has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles