Map of Saint Thomas Mount, India

Saint Thomas Mount is a city in Tamil Nadu, India, with a population of about 43,795. It lies at 13.0033°N, 80.1961°E. Saint Thomas Mount is about 1,764 km (1,096 mi) south of New Delhi, the capital. The nearest city on our map is Madipakkam, 5 km to the south.

Saint Thomas Mount at a glance

Where is Saint Thomas Mount?

• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 11 h 22 min on the shortest day to 12 h 53 min on the longest day (around 21 December and 21 June).

Cities near Saint Thomas Mount

• Madipakkam — 5 km south
• Porur — 5 km northwest
• Pallāvaram — 6 km southwest
• Neelankarai — 9 km southeast
• Poonamalle — 10 km northwest
• Ambattūr — 11 km north
• Tambaram — 12 km southwest
• Chennai — 13 km northeast
• Āvadi — 16 km northwest
• Manali — 20 km northeast

Largest cities in Tamil Nadu

• Chennai — 4,681,087
• Coimbatore — 2,136,916
• Kallakurichi — 1,682,687
• Madurai — 1,465,625
• Tirunelveli — 1,435,844
• Tiruchirappalli — 1,022,518
• Tiruppur — 963,173
• Salem — 917,414
• Erode — 521,891
• Vellore — 484,690

Largest cities in India

• Mumbai — 12,691,836
• Delhi — 11,034,555
• Bengaluru — 8,495,492
• Hyderābād — 6,993,262
• Ahmedabad — 6,357,693
• Chennai — 4,681,087
• Kolkata — 4,631,392
• Surat — 4,591,246
• Pune — 3,124,458
• Jaipur — 3,046,163

Map of India 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.