São Paulo, Brazil → Buenos Aires, Argentina · ✈ 2h 36min · 🚗 27h 13min
904 nautical miles · Time difference: -1h behind · Direction: southwest
The distance from São Paulo to Buenos Aires is 1,675 km (1,041 miles). The fastest way to travel is by flight. A direct flight takes approximately 2h 36min.
The straight-line distance from São Paulo, Brazil to Buenos Aires, Argentina is approximately 1,675 kilometers (1,041 miles or 904 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Buenos Aires is located southwest of São Paulo. São Paulo is in South America, in the Southeast region of Brazil, while Buenos Aires is in South America, in Buenos Aires, Argentina. Both cities are in South America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 1,675 km | ~2h 36min | Best option for speed |
| 🚗 Drive | ~2,178 km | ~27h 13min | Long journey, consider stops |
| 🚂 Regular Train | ~2,010 km | ~16h 45min | Scenic but slow |
Our recommendation: flight is typically the best way to travel from São Paulo to Buenos Aires. For 1,675 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 2,178 km, fuel costs for driving from São Paulo to Buenos Aires are approximately $174–$327 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
São Paulo sits at 23.5505°S, 46.6333°W, while Buenos Aires is located at 34.6037°S, 58.3816°W. The initial compass bearing from São Paulo to Buenos Aires is 220° (SW), so a great-circle flight path leaves São Paulo heading roughly SW. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 11.05° and the longitude difference is 11.75°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between São Paulo and Buenos Aires is approximately 29.2050°S, 52.1903°W. This is the great-circle halfway position — the spot where you would be exactly 838 km from each city. On long-haul flights this point usually falls over open ocean or remote terrain, which is why in-flight maps often look "empty" mid-route.
Buenos Aires is roughly 1 hour behind São Paulo. When it is 09:00 in São Paulo, it is approximately 08:00 in Buenos Aires. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
São Paulo uses the Brazilian Real (BRL), while Buenos Aires uses the Argentine Peso (ARS). Plan to exchange currency before departure or use a low-fee travel card on arrival — airport rates are typically the worst available. The primary local language shifts from Portuguese in São Paulo to Spanish in Buenos Aires. Learning a few basic phrases makes a noticeable difference at hotels, restaurants, and transit hubs.
São Paulo is a major city in Brazil with a population of approximately 12,325,232. Located in the Southeast region, it is an important hub in South America. As one of the largest cities in Brazil, São Paulo is a major international gateway with extensive air connections and multiple airports.
→ See all distances from São Paulo
Buenos Aires is a notable city in Argentina with a population of approximately 3,075,646. Situated in the Buenos Aires region, it serves as a key destination in South America. Buenos Aires offers solid transport connections and a variety of arrival options as a major city in Argentina.
→ See all distances from Buenos Aires
1,675 km is a long-distance route that typically requires air travel. This is comparable to spanning a large continent. For context, London to Dubai is about 5,500 km.
The 1,675 km between São Paulo and Buenos Aires means a beam of light could travel this distance in approximately 5.6 milliseconds — but a flight still takes 2h 36min.
Combined, São Paulo and Buenos Aires have a population of over 15,400,878 people, making this a major urban corridor.
South America's busiest international route, connecting its two largest metropolitan areas. The cultural contrast between Portuguese-speaking Brazil and Spanish-speaking Argentina makes this a fascinating journey.
See how the São Paulo to Buenos Aires distance compares to similar routes:
The straight-line distance from São Paulo to Buenos Aires is approximately 1,675 kilometers (1,041 miles, 904 nautical miles).
A direct flight takes approximately 2h 36min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 27h 13min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Buenos Aires is approximately -1h behind compared to São Paulo.
The estimated road distance is approximately 2,178 km, which is about 30% longer than the 1,675 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 21, 2026.