Ballpark — March 4, 2026

Answers to that day's 5 daily estimation questions.

Length of the Great Wall of China

13,000 miles

Including all branches and trenches.

Oscars won by Walt Disney

26 awards

Including 22 competitive Oscars and 4 honorary.

Hours in the longest movie ever made (Amra Ekta Cinema Banabo)

21 hours

A Bangladeshi experimental film.

Total length of the Amazon River

4,000 miles

There is a long-standing debate if it's longer than the Nile.

Hours to fly non-stop from London to Sydney

20 hours

Recently made possible by ultra-long-range jets.