Map of San Sebastián de los Reyes, Spain

San Sebastián de los Reyes is a city in Madrid, Spain, with a population of about 75,912. It lies at 40.5555°N, 3.6273°W. San Sebastián de los Reyes is about 17 km (10 mi) north of Madrid, the capital. The nearest city on our map is Alcobendas, 2 km to the southwest.

San Sebastián de los Reyes at a glance

Where is San Sebastián de los Reyes?

• The 15th largest city in Madrid on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 16 min on the shortest day to 15 h 05 min on the longest day (around 21 December and 21 June).

Cities near San Sebastián de los Reyes

• Alcobendas — 2 km southwest
• Tres Cantos — 8 km northwest
• Chamartín — 11 km south
• Ciudad Lineal — 12 km south
• Coslada — 16 km south
• Colmenar Viejo — 17 km northwest
• San Fernando de Henares — 17 km southeast
• Madrid — 17 km south
• Torrejón de Ardoz — 17 km southeast
• Pozuelo de Alarcón — 21 km southwest

Largest cities in Madrid

• Madrid — 3,255,944
• Ciudad Lineal — 228,171
• Móstoles — 207,095
• Alcalá de Henares — 193,751
• Fuenlabrada — 190,496
• Leganés — 188,425
• Alcorcón — 172,384
• Chamartín — 140,000
• Torrejón de Ardoz — 118,162
• Alcobendas — 116,037

Largest cities in Spain

• Madrid — 3,255,944
• Barcelona — 1,686,208
• Valencia — 824,340
• Zaragoza — 686,986
• Seville — 686,741
• Málaga — 592,346
• Murcia — 471,982
• Palma — 438,234
• Las Palmas de Gran Canaria — 383,516
• Alicante — 348,901

Map of Spain and all its cities →

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.