Brasilia, Brazil → Buenos Aires, Argentina · ✈ 3h 25min · 🚗 38h 1min
1,263 nautical miles · Time difference: -1h behind · Direction: southwest
The distance from Brasilia to Buenos Aires is 2,339 km (1,453 miles). The fastest way to travel is by flight. A direct flight takes approximately 3h 25min.
The straight-line distance from Brasilia, Brazil to Buenos Aires, Argentina is approximately 2,339 kilometers (1,453 miles or 1,263 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 Brasilia. Brasilia is in South America, in the Central-West 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 | 2,339 km | ~3h 25min | Best option for speed |
| 🚗 Drive | ~3,041 km | ~38h 1min | Long journey, consider stops |
Our recommendation: flight is typically the best way to travel from Brasilia to Buenos Aires. For 2,339 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 3,041 km, fuel costs for driving from Brasilia to Buenos Aires are approximately $243–$456 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.
Brasilia sits at 15.7975°S, 47.8919°W, while Buenos Aires is located at 34.6037°S, 58.3816°W. The initial compass bearing from Brasilia to Buenos Aires is 205° (SSW), so a great-circle flight path leaves Brasilia heading roughly SSW. 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 18.81° and the longitude difference is 10.49°. 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 Brasilia and Buenos Aires is approximately 25.2928°S, 52.7269°W. This is the great-circle halfway position — the spot where you would be exactly 1,170 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 Brasilia. When it is 09:00 in Brasilia, 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.
Brasilia 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 Brasilia to Spanish in Buenos Aires. Learning a few basic phrases makes a noticeable difference at hotels, restaurants, and transit hubs.
Brasilia is a major city in Brazil with a population of approximately 3,015,268. Located in the Central-West region, it is an important hub in South America. Brasilia is a significant metropolitan area in Brazil with good domestic and international transport connections.
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
2,339 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 2,339 km between Brasilia and Buenos Aires means a beam of light could travel this distance in approximately 7.8 milliseconds — but a flight still takes 3h 25min.
The straight-line distance from Brasilia to Buenos Aires is approximately 2,339 kilometers (1,453 miles, 1,263 nautical miles).
A direct flight takes approximately 3h 25min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 38h 1min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Buenos Aires is approximately -1h behind compared to Brasilia.
The estimated road distance is approximately 3,041 km, which is about 30% longer than the 2,339 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.