| Rank | Highway | Length (in km) | Answer | % Correct |
|---|---|---|---|---|
| 6 | Route 20 | 5,415 | United States of America | 100%
|
| 3 | Transsibirskaya Ulitsa | 11,000 | Russia | 88%
|
| 5 | National Highway G010 | 5,700 | China | 81%
|
| 1 | Pan-American Highway | 24,000 (unofficially 30,000) | Argentina, Colombia, etc. | 77%
|
| 4 | Trans-______ Highway | 7,821 | Canada | 77%
|
| 8 | BR-153 | 3,585 | Brazil | 73%
|
| 7 | National Highway 44 | 4,112 | India | 73%
|
| 2 | National Route 1 | 14,500 | Australia | 69%
|