List of Longest Rivers in The United States By State - Alaska

Alaska

1. Yukon River – 1,980 miles (3,190 km)
2. Kuskokwim River – 724 miles (1,165 km)
3. Porcupine River – 569 miles (916 km)
4. Tanana River – 569 miles (916 km)
5. Innoko River – 500 miles (800 km)
6. Koyukuk River – 500 miles (800 km)
7. Noatak River – 420 miles (680 km)
8. Porcupine River – 380 miles (610 km)
9. Stikine River – 379 miles (610 km)
10. Colville River – 350 miles (560 km)

See also List of rivers of Alaska.