There are 1,090.09 miles from New Castle to Grand Isle in southwest direction and 1,334 miles (2,146.86 kilometers) by car, following the I-81 S route.
New Castle and Grand Isle are 21 hours 15 mins far apart, if you drive non-stop .
This is the fastest route from New Castle, DE to Grand Isle, LA.
Please note the time difference between New Castle, DE and Grand Isle, LA is 1 hour. The current time in New Castle is 12:44 am (Mar 29) and the current time in Grand Isle is 11:44 pm (Mar 28).
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