| State | Length (mi) | Answer | % Correct |
|---|---|---|---|
| California | 447 | Sacramento | 67%
|
| Texas | 862 | Colorado | 58%
|
| Alabama | 318 | Alabama | 50%
|
| Nebraska | 310 | Platte | 50%
|
| Michigan | 252 | Grand | 42%
|
| Kentucky | 384 | Green | 42%
|
| Iowa | 323 | Iowa | 42%
|
| Massachusetts | 80 | Charles | 33%
|
| Illinois | 332 | Illinois | 33%
|
| Virginia | 348 | James | 33%
|
| Minnesota | 370 | Minnesota | 33%
|
| Wisconsin | 430 | Wisconsin | 33%
|
| Oregon | 281 | John Day | 17%
|
| Maine | 170 | Kennebec | 17%
|
| Alaska | 702 | Kuskokwim | 17%
|
| Montana | 342 | Musselshell | 17%
|
| Idaho | 425 | Salmon | 17%
|
| Florida | 310 | St. Johns | 17%
|
| Pennsylvania | 243 | West Branch Susquehanna | 17%
|
| Indiana | 362 | White | 17%
|
| Washington | 214 | Yakima | 17%
|
| Nevada | 330 | Humboldt | 8%
|
| Delaware | 22 | Murderkill | 8%
|
| Oklahoma | 440 | North Canadian | 8%
|
| New Jersey | 121 | Raritan | 8%
|
| Arkansas | 202 | Saline | 8%
|
| Kansas | 397 | Saline | 8%
|
| Ohio | 231 | Scioto | 8%
|
| Hawaii | 28 | Wailuku | 8%
|
| Wyoming | 461 | Wind | 8%
|
| Mississippi | 330 | Big Black | 0%
|
| Louisiana | 200 | Calcasieu | 0%
|
| Tennessee | 284 | Clinch | 0%
|
| New Hamsphire | 71 | Contoocook | 0%
|
| South Carolina | 206 | Edisto | 0%
|
| Connecticut | 47 | Farmington | 0%
|
| Georgia | 344 | Flint | 0%
|
| Missouri | 280 | Gasconade | 0%
|
| West Virginia | 173 | Greenbrier | 0%
|
| Arizona | 315 | Little Colorado | 0%
|
| New York | 149 | Mohawk | 0%
|
| South Dakota | 291 | Moreau | 0%
|
| North Carolina | 275 | Neuse | 0%
|
| Vermont | 112 | Otter Creek | 0%
|
| Maryland | 115 | Patuxent | 0%
|
| New Mexico | 167 | Rio Puerco | 0%
|
| Utah | 383 | Sevier | 0%
|
| North Dakota | 591 | Sheyenne | 0%
|
| Rhode Island | 16 | Woonasquatucket | 0%
|
| Colorado | 250 | Yampa | 0%
|