The calculated distance (air line) between Garhi Khairo and Rahim Yar Khan is approximately 144 miles respectively 231 kilometers.
By car or train, the actual journey to Rahim Yar Khan is certainly longer, as only the direct route (as the crow flies) between Garhi Khairo and Rahim Yar Khan has been calculated here.
Air line (approximately)
231 kilometers
125 nautical miles