Directions. 1  In a saucepan, bring water and butter to a boil. 2  Add flour and salt all at once; stir until a smooth ball forms. 3  Remove from the heat; let stand for 5 minutes. 4  Add eggs, one at a time, beating well after each addition. 5  Beat until mixture is smooth and shiny.
Let's start with the king of nonstop flights: Singapore Airlines Flights 21 and 22 between Singapore and Newark, New Jersey. The route is the longest both in distance -- about 9,500 miles -- and in time -- about 19 hours.
So weâve covered a few other âTop Listsâ, including: 1  Top 7: Longest domestic US flights. 2  Top 10: Longest Domestic Flights in the World. 3  Top 12: Longest Non-Stop Delta Flights in the World.  Top 15: Longest Fifth Freedom Flights in the 1  World. Top 16 Longest Emirates Fifth Freedom Routes: Coming to a City Near  You.