It really depends. If you fly straight down to the equator, it would take 2-3 hours. However, if you decided to fly to the equator on the other side of the world, that might take just a little...
There are no direct flights from Southampton airport to NYC. You will need to catch the train to one of the London airports. London Heathrow (LHR) to Newark (EWR) is approx 7 hours 55 mins. The train...