| 100% | IOWA | 4 | State whose eastern border is formed by the Mississippi River |
| 52% | IOWA | 4 | The Mississippi River forms its eastern border |
| 51% | ORE | 3 | State whose northern border is the Columbia River (Abbr.) |
| 50% | IOWA | 4 | Only state whose west and east borders are formed entirely by rivers |
| 45% | IOWA | 4 | Its eastern and western borders are formed entirely by rivers |
| 43% | IOWA | 4 | The Mississippi forms its eastern border |
| 42% | IOWA | 4 | Its east and west borders are formed entirely by rivers |
| 41% | OHIO | 4 | State whose largest cities are linked by the so-called 3-C Highway |
| 41% | IOWA | 4 | The Mississippi and Missouri rivers form parts of its border |
| 41% | SONORA | 6 | State bordered by the Colorado River |
| 40% | IOWA | 4 | Only state whose entire east and west borders are rivers |
| 39% | OHIO | 4 | River forming the borders of parts of five states |
| 39% | ORE | 3 | St. whose northern border is the Columbia River |
| 39% | ORION | 5 | Constellation whose belt is formed by the stars Alnitak, Alnilam, and Mintaka |
| 38% | EAT | 3 | Verb whose past tense is formed by moving the first letter to the end |
| 37% | ELBE | 4 | River forming the eastern border of Charlemagne's empire |
| 37% | WAVENEY | 7 | River forming the eastern border between Norfolk and Suffolk |
| 37% | IBERIAN | 7 | Peninsula whose border is partially delineated by the Pyrenees |
| 37% | EVER | 4 | Word whose opposite is formed by attaching an n to the beginning |
| 37% | ISERE | 5 | French river whose source is in the Graian Alps, near the Italian border |
| 36% | IOWA | 4 | State where the National Mississippi River Museum & Aquarium is |
| 36% | ALASKA | 6 | State whose flag, with eight gold stars in the shape of the Big Dipper, was designed by a 13-year-old |
| 36% | OHIO | 4 | State whose northern border is mostly Lake Erie |
| 35% | IDA | 3 | State whose eastern neighbors are Montana and Wyoming: Abbr. |
| 35% | TUNIS | 5 | World capital whose name can be formed by removing letters from the end of its country's name |
| 35% | YAZOO | 5 | River in Mississippi, US, formed by the confluence of the Tallahatchie and Yalobusha Rivers |
| 34% | SHELLCOMPANIES | 14 | Corporations with little business activity, and what are formed by the circled letters |
| 34% | SANTEE | 6 | River formed by the Congaree and Wateree |
| 34% | IOWA | 4 | State on the Mississippi River |
| 34% | IOWA | 4 | State along the Mississippi River |