Map of San Martín, Mendoza, Argentina

San Martín is a city in Mendoza, Argentina, with a population of about 82,549. It lies at 33.0834°S, 68.4731°W. San Martín is about 947 km (589 mi) west of Buenos Aires, the capital. The nearest city on our map is Rivadavia, 12 km to the south.

San Martín at a glance

Where is San Martín?

• The 3rd largest city in Mendoza on this site.
• Located in the Southern and Western hemispheres.
• Daylight ranges from about 9 h 58 min on the shortest day to 14 h 20 min on the longest day (around 21 June and 21 December).

Cities near San Martín

• Rivadavia — 12 km south
• Mendoza — 39 km northwest
• Tunuyán — 75 km southwest
• Pocito — 156 km north
• San Rafael — 171 km south
• Santa Lucía — 172 km north
• San Juan — 172 km north
• Chimbas — 177 km north
• Los Andes — 200 km west, Chile
• San Luis — 200 km east

Largest cities in Mendoza

• San Rafael — 118,009
• Mendoza — 114,893
• Tunuyán — 38,367
• General Alvear — 35,626
• Rivadavia — 34,830

Largest cities in Argentina

• Buenos Aires — 2,891,082
• Córdoba — 2,106,734
• Rosario — 948,312
• Mar del Plata — 593,337
• San Miguel de Tucumán — 548,866
• Salta — 520,683
• Santa Fe — 391,164
• Avellaneda — 367,554
• Corrientes — 346,334
• Posadas — 305,874

Map of Argentina and all its cities →

Other places named San Martín

• San Martín — Cuscatlan, El Salvador

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.