| Longest What | Length | Answer | % Correct |
|---|---|---|---|
| River in the world | 6,650 km | Nile | 97%
|
| Country (east-west) | 10,564 km | Russia | 97%
|
| River in North America | 6,275 km | Mississippi / Missouri | 90%
|
| Reign as British monarch | 70 years | Queen Elizabeth II | 88%
|
| Coastline (country) | 137,000 km | Canada | 85%
|
| U.S. state (east-west) | 2,128 km | Alaska | 84%
|
| Mountain chain | 7,000 km | Andes | 75%
|
| Bone in the body | 50 cm | Femur | 73%
|
| Time as U.S. President | 12 years | Franklin Roosevelt | 68%
|
| Reign as French monarch | 72 years | Louis XIV | 68%
|
| Word in "Mary Poppins" | 34 letters | Supercalifragilistic expialidocious | 64%
|
| Russian novel | 560,000 words | War and Peace | 52%
|
| Reptile species | 7.67 meters | Reticulated Python | 43%
|
| Running prime-time scripted TV show (US) | 33 years | The Simpsons | 43%
|
| Distance from Earth (man-made object) | 23.4 billion kilometers | Voyager I | 36%
|
| Dictatorial reign | 52 years | Fidel Castro | 35%
|
| Reign as #1 chess player since 1950 | 19 years | Garry Kasparov | 34%
|
| Broadway musical by # of performances | 13,725 | The Phantom of the Opera | 32%
|
| Book of the Bible (by chapters) | 150 | Psalms | 29%
|
| Cave system | 667.8 km | Mammoth Caves | 23%
|