The calculated distance (air line) between Chak Five Hundred Seventy-five and Islamabad is approximately 157 miles respectively 253 kilometers.
By car or train, the actual journey to Islamabad is certainly longer, as only the direct route (as the crow flies) between Chak Five Hundred Seventy-five and Islamabad has been calculated here.
Air line (approximately)
253 kilometers
136 nautical miles