There are 2,176.89 miles from New Castle to Tacna in southwest direction and 2,542 miles (4,090.95 kilometers) by car, following the I-40 and US-84 W route.
New Castle and Tacna are 1 day 13 hours far apart, if you drive non-stop .
This is the fastest route from New Castle, DE to Tacna, AZ.
Please note the time difference between New Castle, DE and Tacna, AZ is 3 hours. The current time in New Castle is 7:39 pm and the current time in Tacna is 4:39 pm.
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