The calculated distance (air line) between Santiago de Surco and San Jeronimo De Tunan is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to San Jeronimo De Tunan is certainly longer, as only the direct route (as the crow flies) between Santiago de Surco and San Jeronimo De Tunan has been calculated here.
Air line (approximately)
188 kilometers
102 nautical miles