The drive from Chattanooga to Detroit is approximately 950 kilometers. You will take I-75 N, passing through Lexington and Cincinnati. The journey takes about 9.5 hours. This route takes you through the heart of the Midwest. Driving is the most practical way to reach Detroit from Chattanooga.
Total Distance: 950 km driving distance; 850 km straight-line air distance.
Cincinnati traffic can be heavy; plan to pass through outside of rush hours.
Summer, when the weather is pleasant for exploring the city.