EN RO

Distance from Monterrey to San Antonio

Straight line

453 km
281 mi · 245 NM

By road

475 km
295 mi

Travel time

5 h 28 min
flight ≈ 1 h 4 min

Direction

NNE 23°
initial bearing

Open in the calculator (stops, directions, fuel cost) → San Antonio → Monterrey

How far is Monterrey from San Antonio?

Monterrey (Mexico) and San Antonio (United States) are a medium distance apart: 453 km in a straight line, that is 281 miles or 245 nautical miles. The distance is measured over the Earth's surface (WGS84 ellipsoid) along the shortest possible path.

By road, Monterrey to San Antonio is 475 km (295 miles), about 5 h 28 min by car on the fastest route, without traffic or stops. The road is 5% longer than the straight line.

From Monterrey, San Antonio lies to the north-east (initial bearing 23°). The route crosses from Mexico into United States. The halfway point is at 27.5526°, -99.4216°.

A direct flight would take about 1 h 4 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 Monterrey from San Antonio?

By road it is 475 km (295 miles) from Monterrey to San Antonio; in a straight line it is 453 km (281 miles).

How long is the drive from Monterrey to San Antonio?

About 5 h 28 min on the fastest route (475 km), without traffic or stops.

In which direction is San Antonio from Monterrey?

San Antonio is to the north-east of Monterrey, at an initial bearing of 23°.

How long is the flight from Monterrey to San Antonio?

A direct flight would take about 1 h 4 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.