Lima, Peru → Buenos Aires, Argentina
1,694 nautical miles · Direction: southeast
The straight-line distance from Lima to Buenos Aires is 3,137 km (1,949 miles). Buenos Aires lies roughly southeast of Lima; the initial great-circle bearing is 146° (SE). It is an international route from Peru to Argentina.
Lima (Lima, Peru) sits at 12.0464°S, 77.0428°W; Buenos Aires (Buenos Aires, Argentina) is at 34.6037°S, 58.3816°W. The initial great-circle bearing is 146° (SE); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~4h 25min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | ~4,079 km · ~50h 59min | Rough estimate: straight line × 1.3 at 80 km/h. Not live routing. |
Rough road-length estimate for Lima to Buenos Aires: about 4,079 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.
The geographic halfway point of the great-circle path between Lima and Buenos Aires lies at approximately 23.6017°S, 68.5217°W — the position that is an equal 1,569 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Buenos Aires (America/Argentina/Buenos_Aires) is 2 hours ahead of Lima (America/Lima) all year; daylight saving does not change the gap.
Lima uses the Peruvian Sol (PEN), while Buenos Aires uses the Argentine Peso (ARS). Both share Spanish as a primary language.
All distances from Lima · All distances from Buenos Aires
The straight-line distance from Lima to Buenos Aires is approximately 3,137 km (1,949 miles, 1,694 nautical miles).
Buenos Aires lies roughly southeast of Lima; the initial great-circle bearing is 146° (SE).
Estimated flight time is about 4h 25min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.
Rough road-length estimate for Lima to Buenos Aires: about 4,079 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.
Buenos Aires (America/Argentina/Buenos_Aires) is 2 hours ahead of Lima (America/Lima) all year; daylight saving does not change the gap.
Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances