Map of San Antonio, Valparaiso, Chile

San Antonio is a city in Valparaiso, Chile, with a population of about 87,675. It lies at 33.5947°S, 71.6075°W. San Antonio is about 90 km (56 mi) west of Santiago, the capital. The nearest city on our map is Melipilla, 38 km to the east.

San Antonio at a glance

Where is San Antonio?

• The 32nd largest city in Chile by recorded population.
• The 5th largest city in Valparaiso on this site.
• Located in the Southern and Western hemispheres.
• Daylight ranges from about 9 h 55 min on the shortest day to 14 h 23 min on the longest day (around 21 June and 21 December).

Cities near San Antonio

• Melipilla — 38 km east
• Valparaíso — 62 km north
• Quilpué — 63 km north
• Talagante — 63 km east
• Viña del Mar — 64 km north
• Villa Alemana — 65 km north
• Peñaflor — 68 km east
• Limache — 72 km northeast
• Lampa — 76 km northeast
• Buin — 81 km east

Largest cities in Valparaiso

• Viña del Mar — 334,248
• Valparaíso — 282,448
• Quilpué — 130,263
• Villa Alemana — 97,320
• Quillota — 67,779
• Los Andes — 63,009
• San Felipe — 59,294
• Limache — 46,121

Largest cities in Chile

• Santiago — 4,837,295
• Puente Alto — 568,106
• Antofagasta — 401,096
• Viña del Mar — 334,248
• Valparaíso — 282,448
• San Bernardo — 249,858
• Puerto Montt — 245,902
• Arica — 241,653
• Temuco — 238,129
• Concepción — 223,574

Map of Chile and all its cities →

Other places named San Antonio

• San Antonio — Texas, United States
• San Antonio — Central Department, Paraguay
• San Antonio — 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.