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Distance from Montevideo to Buenos Aires

Straight line

203 km
126 mi · 110 NM

By road

579 km
360 mi

Travel time

7 h 35 min
flight ≈ 45 min

Direction

W 279°
initial bearing

Open in the calculator (stops, directions, fuel cost) → Buenos Aires → Montevideo

How far is Montevideo from Buenos Aires?

Montevideo (Uruguay) and Buenos Aires (Argentina) are a medium distance apart: 203 km in a straight line, that is 126 miles or 110 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.

By road, Montevideo to Buenos Aires is 579 km (360 miles), about 7 h 35 min by car on the fastest route, without traffic or stops. The road is 185% longer than the straight line.

From Montevideo, Buenos Aires lies to the west (initial bearing 279°). The route crosses from Uruguay into Argentina. The halfway point is at -34.7631°, -57.2846°.

A direct flight would take about 45 min (800 km/h cruise plus take-off and landing). The road distance and driving time are calculated on the map from OpenStreetMap roads.

Frequently asked questions

How far is Montevideo from Buenos Aires?

By road it is 579 km (360 miles) from Montevideo to Buenos Aires; in a straight line it is 203 km (126 miles).

How long is the drive from Montevideo to Buenos Aires?

About 7 h 35 min on the fastest route (579 km), without traffic or stops.

In which direction is Buenos Aires from Montevideo?

Buenos Aires is to the west of Montevideo, at an initial bearing of 279°.

How long is the flight from Montevideo to Buenos Aires?

A direct flight would take about 45 min at an average cruising speed of 800 km/h.

How is the distance calculated?

The straight-line distance is computed on the WGS84 ellipsoid with the Vincenty formula, accurate to the metre. The road distance comes from OpenStreetMap roads.