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Columbia is a river that is 2,250 kilometers (or 1,398 miles) long and drains from a 415,211 km2 drainage basin in United States and Canada.
Columbia discharges at 7,500 m3/3 and flows out into Pacific Ocean.
Fraser is a river that is 1,368 kilometers (or 850 miles) long and drains from a 220,000 km2 drainage basin in Canada.
The average volume of water flow is 3,475 m3/3 and the river flows out into Pacific Ocean.
Compare Fraser with Yellowstone from North America.
Compare Fraser with Nelson–Saskatchewan from North America.
More on the longest and largest river systems in the world:
World: Longest | Largest by Discharge Volume | Largest by Drainage Area
By Country: Australia | Brazil | Canada | China | France | Russia | UK | USA
Europe: Longest | Largest by Discharge Volume | Largest by Drainage Area
Asia: Longest | Largest by Discharge Volume | Largest by Drainage Area
Africa: Longest | Largest by Discharge Volume | Largest by Drainage Area
Oceania: Longest | Largest by Discharge Volume | Largest by Drainage Area
North America: Longest | Largest by Discharge Volume | Largest by Drainage Area
South America: Longest | Largest by Discharge Volume | Largest by Drainage Area
Outflows: Amazon River | Atlantic Ocean | Black Sea | Mississippi River | Pacific Ocean