1. Nile (North/East Africa) - 4,135 miles
"Nile Sunset" by Luciano Gollini
2. Amazon (South America) - 3,980 miles
San Rafael Falls, Quijos River, Amazon
"Foggy morning in an Amazon River village" by Todd Adams
3. Yangtze (China) - 3,917 miles
"Sad Yangtze" by Stan Zimny
Yangtze River Waterfalls
"Along the way down the Yangtze" by Aloysius Ho
4. Mississippi-Missouri (USA) - 3,870 miles
Mississippi River, McGregor, Iowa
Mouth of the Mississippi River
5. Yenisey (Russia) - 3,434 miles
"Yenisey" by Andrey Pivovarov
"Yenisey" by aleksandr.voyn
"Yenisey" by non_divine
6. Huang He/Yellow River (China) - 3,395 miles
"Bridge across the Yellow River" by Dennis Deng
"To Tong Ren" by Ian Riley
"Strangely shaed mountain" by jameshkwong
7. Ob-Irtysh (Russia) - 3,354 miles
"On fishing" by Veniamin Tropeznikov
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