The calculated distance (air line) between Youghal and An Muileann gCearr is approximately 111 miles respectively 178 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 Youghal and An Muileann gCearr has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles