The calculated distance (air line) between Saint Clair Shores and Grosse Pointe is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Grosse Pointe is certainly longer, as only the direct route (as the crow flies) between Saint Clair Shores and Grosse Pointe has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles