Map of San Luis, Argentina

San Luis is the administrative centre of San Luis, Argentina, with a population of about 169,947. It lies at 33.2950°S, 66.3356°W. San Luis is about 748 km (465 mi) west of Buenos Aires, the capital. The nearest city on our map is Villa Mercedes, 92 km to the southeast.

San Luis at a glance

Where is San Luis?

• The 25th largest city in Argentina by recorded population.
• Located in the Southern and Western hemispheres.
• Daylight ranges from about 9 h 57 min on the shortest day to 14 h 21 min on the longest day (around 21 June and 21 December).

Cities near San Luis

• Villa Mercedes — 92 km southeast
• Río Cuarto — 185 km east
• Rivadavia — 198 km west
• San Martín — 200 km west
• General Alvear — 225 km southwest
• San Rafael — 236 km southwest
• Mendoza — 236 km west
• Río Tercero — 242 km northeast
• Alta Gracia — 256 km northeast
• Villa Carlos Paz — 270 km northeast

Largest cities in San Luis

• Villa Mercedes — 96,781

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 Luis

• San Luis — Santiago de Cuba Province, Cuba
• San Luis — Central Luzon, Philippines

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.