Where is Sandu?

Danzhai38.2 km · 23.7 mi → Dushan43.3 km · 26.9 mi → Pingjiang45.0 km · 28.0 mi → Libo53.4 km · 33.2 mi → Rongjiang53.8 km · 33.5 mi → Xiaoweizhai54.1 km · 33.6 mi → Leishan54.6 km · 33.9 mi → Qiannan58.4 km · 36.3 mi → Duyun59.1 km · 36.7 mi → Duyun59.2 km · 36.8 mi → Tingdong66.8 km · 41.5 mi → Majiang69.0 km · 42.9 mi →

Anlong25.21091, 105.31495 → Anshun26.25491, 105.94378 → Aoshi26.40167, 109.07111 → Bahuang27.71806, 109.01889 → Baishi26.97361, 109.44333 → Baiyun26.73833, 106.67561 →