The calculated distance (air line) between Quilmes and Gobernador Gálvez is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Gobernador Gálvez is certainly longer, as only the direct route (as the crow flies) between Quilmes and Gobernador Gálvez has been calculated here.
Air line (approximately)
290 kilometers
156 nautical miles