Flint, MI to Birmingham, AL: Interstate Route Guide

Distance: ~750 miles, 11-12 hours driving.

Primary Route

I-75 S the entire way.

1. Flint → I-75 S
2. Toledo, OH (cross state line)
3. Dayton, OH
4. Cincinnati, OH (cross Ohio River → KY)
5. Lexington, KY
6. Knoxville, TN
7. Chattanooga, TN
8. Atlanta, GA (I-285 bypass recommended)
9. Macon, GA
10. Valdosta, GA → FL line
11. Lake City, FL → I-10 W (optional cutoff)
12. Or stay I-75 → Tifton, GA → Adel → Nashville, GA → ... → Birmingham

Actually, from Atlanta: I-20 W direct to Birmingham (150 mi, 2.25 hrs) is faster than staying on I-75 south then west.

Optimized Route

Flint → I-75 S → Atlanta → I-20 W → Birmingham. Total: ~750 mi, 11.5 hrs.

Traffic Hotspots

• Atlanta: I-285 or I-75/85 Downtown Connector. Avoid 7-9 AM, 4-7 PM.
• Chattanooga: I-24/I-75 split (Moccasin Bend)
• Knoxville: I-40/I-75 junction

Alternatives

I-69 S (Indiana) → I-70 W → I-57 S → I-24 W → I-59 S. Longer, less traffic. Not recommended unless I-75 closed.