Estimated travel durations
The straight-line distance from Santiago to Buenos Aires is 1,139 kilometers (708 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Santiago to Buenos Aires takes approximately 3h. This is an estimate based on an average cruising speed of 800 km/h and does not include boarding, taxiing or layover time.
Driving from Santiago to Buenos Aires would take approximately 12h at an average speed of 85 km/h. The actual driving time may vary depending on road conditions, traffic and border crossings.
The distance from Santiago to Buenos Aires is 708 miles (1,139 km) as the crow flies.