The calculated distance (air line) between Galaţi and Sfântu Gheorghe is approximately 113 miles respectively 183 kilometers.
By car or train, the actual journey to Sfântu Gheorghe is certainly longer, as only the direct route (as the crow flies) between Galaţi and Sfântu Gheorghe has been calculated here.
Air line (approximately)
183 kilometers
99 nautical miles