What is the distance between Biloxi Mississippi and Smithville Mississippi?

300 miles taking this route:

1. Take SR-67 NORTH from Biloxi to U.S. 59 NORTH to HATTIESBURG.
2. Take U.S. 59 NORTH to I-59 NORTH to LAUREL via U.S. 98 WEST.
3. Take I-59 NORTH to U.S. 45 NORTH to MACON at EXIT 157B in Meridian.
4. Take U.S. 45 NORTH to SR-25 NORTH to ARMORY. EXIT.
5. Follow SR-25 NORTH to SMITHVILLE.