Map of Sandu, China

Sandu is a city in Hainan, China, with a population of about 76,757. It lies at 19.7894°N, 109.2150°E. Sandu is about 2,340 km (1,454 mi) south of Beijing, the capital. The nearest city on our map is Baimajing, 9 km to the south.

Sandu at a glance

Where is Sandu?

• The 12th largest city in Hainan on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 10 h 56 min on the shortest day to 13 h 20 min on the longest day (around 21 December and 21 June).

Cities near Sandu

• Baimajing — 9 km south
• Xinzhou — 13 km southeast
• Mutang — 14 km east
• Dongcheng — 27 km east
• Dacheng — 36 km southeast
• Yaxing — 38 km south
• Haitou — 42 km southwest
• Nada — 48 km southeast
• Lingao — 51 km east
• Jinjiang — 83 km east

Largest cities in Hainan

• Haikou — 3,001,600
• Sanya — 1,031,396
• Wenchang — 560,894
• Wanning — 545,992
• Qionghai — 528,238
• Basuo — 444,458
• Xiuying — 290,000
• Nada — 256,652
• Wuzhishan — 112,269
• Qiongshan — 87,657

Largest cities in China

• Shanghai — 24,874,500
• Beijing — 18,960,744
• Guangzhou — 18,676,605
• Shenzhen — 17,494,398
• Tianjin — 13,866,009
• Wuhan — 13,739,000
• Chengdu — 13,568,357
• Xi’an — 12,952,907
• Hangzhou — 11,936,010
• Dongguan — 9,644,871

Map of China 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.