Longest U.S. Rivers on a Map - Statistics

General Stats

Answers on the Map

Answers color-coded by a green-red scale on the quiz's map according to % correct below.

Answer Stats

Length	Headwaters	River	% Correct
2,340 mi	-	Mississippi	100%
2,639 mi	Hell Roaring > Red Rock > Beaverhead > Jefferson	Missouri	96%
1,450 mi	-	Colorado	94%
862 mi	-	Colorado (Texas)	94%
1,896 mi	-	Rio Grande	93%
1,306 mi	Allegheny	Ohio	90%
1,490 mi	East Fork	Arkansas	77%
926 mi	North Fork > Holston	Tennessee	74%
1,980 mi	-	Yukon	69%
1,243 mi	-	Columbia	67%
742 mi	Otter Tail	Red River of the North	66%
1,360 mi	-	Red River of the South	66%
1,078 mi	-	Snake	63%
807 mi	Etowah > Coosa > (Alabama) > Mobile	Alabama	60%
1,900 mi	St. Louis > St. Mary's > St. Clair > Detroit > Niagara	St. Lawrence	57%
757 mi	Arikaree > Republican	Kansas	54%
1,026 mi	North Platte	Platte	40%
730 mi	-	Green	26%
692 mi	-	Yellowstone	26%
926 mi	-	Pecos	23%
1,280 mi	-	Brazos	22%
733 mi	Poor Fork	Cumberland	20%
722 mi	-	White	19%
906 mi	-	Canadian	16%
710 mi	-	James	11%
710 mi	-	Trinity	11%
698 mi	-	Cimarron	8%
759 mi	South Fork	Milk	8%
952 mi	South Fork	Kuskokwim	5%
720 mi	Beaver	North Canadian	5%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

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