The calculated distance (air line) between Passage West and An Muileann gCearr is approximately 122 miles respectively 196 kilometers.
By car or train, the actual journey to An Muileann gCearr is certainly longer, as only the direct route (as the crow flies) between Passage West and An Muileann gCearr has been calculated here.
Air line (approximately)
196 kilometers
106 nautical miles