Top 10 Longest Monorails in the World 

Chongqing Rail Transit China  96.5 km

Wuhu Rail Transit China  46.2 km

Shanghai maglev train China  30.5 km

Yellow Line Thailand  28.7 km

Osaka Monorail Japan  28 km

Daegu Metro Line 3 South Korea  23.9 km

Walt Disney World Monorail US 23.66 km

Mumbai Monorail  India 19.54 km

Changsha Maglev Express China 18.6 km

Tokyo Monorail Japan 17.8 km