Where is Ledu?

Haidong19.2 km · 11.9 mi → Ping'an40.9 km · 25.4 mi → Minhe45.3 km · 28.2 mi → Huzhu45.6 km · 28.3 mi → Hualong48.8 km · 30.3 mi → Chengdong54.9 km · 34.1 mi → Chengzhong65.4 km · 40.7 mi → Chengbei68.3 km · 42.4 mi → Chengxi68.7 km · 42.7 mi → Jianzha69.5 km · 43.2 mi → Huangzhong81.8 km · 50.8 mi → Xunhua83.9 km · 52.1 mi →

Baima32.93602, 100.73743 → Chengbei36.66950, 101.72535 → Chengdong36.59159, 101.85255 → Chengduo0.00000, 0.00000 → Chengxi36.63107, 101.70599 → Chengzhong36.54962, 101.72204 →