How many miles to johnsonville Tennessee form Pittsburgh pennsylvania?

755 miles taking this route:

1. Take I-79 SOUTH, from Pittsburgh, to U.S. 19 SOUTH to BECKLEY at EXIT 57 in WEST Virginia.
2. Take U.S. 19 SOUTH to I-77 SOUTH to BLUEFIELD in North Beckley.
3. Take I-77 SOUTH to I-81 SOUTH to BRISTOL at EXIT 40 in Wytheville, VIRGINIA.
4. Take I-81 SOUTH to I-40 WEST to KNOXVILLE at EXIT 1B.
5. Take I-40 WEST to TN-13 to LINDEN and WAVERLY at EXIT 143; turn right off the exit ramp onto TN-13 NORTH to WAVERLY. To bypass KNOXVILLE, take I-640 WEST (EXIT 393 off I-40). To bypass Downtown Nashville, take I-440 WEST (EXIT 213B off I-40).
6. Take TN-13 NORTH to U.S. 70 in Waverly. Turn left onto U.S. 70 WEST.
7. Take U.S. 70 WEST to Johnsonville.