Estimated travel durations
The straight-line distance from Lima to Buenos Aires is 3,137 kilometers (1,949 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Lima to Buenos Aires takes approximately 5h. 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 Lima to Buenos Aires would take approximately 1 days, 9h 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 Lima to Buenos Aires is 1,949 miles (3,137 km) as the crow flies.