The calculated distance (air line) between Battaramulla South and Anuradhapura is approximately 104 miles respectively 167 kilometers.
By car or train, the actual journey to Anuradhapura is certainly longer, as only the direct route (as the crow flies) between Battaramulla South and Anuradhapura has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles