No there are no direct flights from Louisville to Nassau. Delta, US Airways, United, and American all offer flights from Louisville to Nassau.
It doesn't appear that any airline offers a direct flight. My guess is that your simplest way is Nassau, Toronto, Vancouver.
No
There are direct flights between Nashville TN and New Orleans LA. However, there are no direct flights between Nashville and Baton Rouge.
Yes
no direct flight to goa...
Yes. There are flights to Pakistan.
No direct flights between Chennai (MAA) to any Australian airport. You have to change flights at Kuala Lumpur, Singapore, Bangkok, Hong Kong or even fly in the opposite direction and change at Dubai or Abu Dhabi.
No there are no direct flights from London to Hawaii due to the distance.
At the moment - June 5th 2011 -Delta do not have direct flights from JFK to Houston Hobby.
No, the direct flights to Europe are to the UK, otherwise like everyone throughout the Southeast--you get to go through Atlanta (ugh) or JFK.
Yes to Delhi
At this point in time, I could not find any direct flights into Tokyo. You may want to check with the airlines at a later date to see if they are going to provide direct flights into Tokyo.