Map of Sai Mai, Thailand

Sai Mai is a city in Bangkok, Thailand, with a population of about 188,123. It lies at 13.9207°N, 100.6455°E. Sai Mai is about 24 km (15 mi) northeast of Bangkok, the capital. The nearest city on our map is Khan Na Yao, 11 km to the south.

Sai Mai at a glance

Where is Sai Mai?

• The 9th largest city in Thailand by recorded population.
• The 3rd largest city in Bangkok on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 11 h 18 min on the shortest day to 12 h 57 min on the longest day (around 21 December and 21 June).

Cities near Sai Mai

• Khan Na Yao — 11 km south
• Chatuchak — 14 km southwest
• Wang Thonglang — 15 km south
• Ban Lam Luk Ka — 16 km northeast
• Mueang Nonthaburi — 16 km southwest
• Pak Kret — 16 km west
• Khlong Luang — 16 km north
• Din Daeng — 17 km southwest
• Saphan Sung — 17 km south
• Bang Kapi — 17 km south

Largest cities in Bangkok

• Bangkok — 5,104,476
• Bang Khae — 193,002
• Watthana — 171,150
• Bang Khun Thian — 165,491
• Lat Krabang — 163,175
• Chatuchak — 160,906
• Chom Thong — 158,005
• Nong Chok — 157,138
• Nong Khaem — 150,218
• Bang Kapi — 147,800

Largest cities in Thailand

• Bangkok — 5,104,476
• Samut Prakan — 388,920
• Mueang Nonthaburi — 254,375
• Chon Buri — 219,164
• Phra Pradaeng — 196,129
• Bang Khae — 193,002
• Hat Yai — 191,696
• Pak Kret — 190,272
• Si Racha — 178,916
• Watthana — 171,150

Map of Thailand 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.