What is the driving distance between Dallas TX and Allentown PA?

Answer 1

It is 1,457 mles according to Google Maps.

Or, you could take a better, faster route, that is 1,515 miles taking this route:

1. Take I-20 EAST, from Dallas (toward SHREVEPORT), to I-59 NORTH to TUSCALOOSA in Meridian, Mississippi, via I-220 BY-PASS - EAST to bypass SHREVEPORT (EXIT 11 off I-20 in Louisiana to get onto I-220 BY-PASS - EAST).
2. Continue on I-59 NORTH to I-24 EAST to CHATTANOOGA at END I-59 in GEORGIA, via I-459 NORTH to bypass BIRMINGHAM (EXIT 106 off I-20/I-59 in ALABAMA to get onto I-459 NORTH to GADSDEN ; EXIT 33B off I-459 to continue on I-59 NORTH to GADSDEN).
3. Take I-24 EAST, out of Georgia, to I-75 NORTH to KNOXVILLE at EXIT 185B in CHATTANOOGA, TENNESSEE.
4. Take I-75 NORTH to I-40 EAST to KNOXVILLE at EXIT 84A.
5. Take I-40 EAST, through Knoxville, to I-81 NORTH to BRISTOL at EXIT 421.
6. Take I-81 NORTH to I-78 EAST to ALLENTOWN at EXIT 89 in Pennsylvania.
7. Take I-78 EAST to Allentown.