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Illinois → Tennessee · Interstate 90 / Interstate 94
The drive from Chicago, Illinois, to Nashville, Tennessee, covers about 755 km (469 miles) along Interstate 90 / Interstate 94, with an estimated travel time of 7h 11m in normal traffic conditions. Chicago is the largest Midwest metropolis and a national logistics hub, while Nashville stands out as the capital of Tennessee and the country music capital of the world. Sales reps, consultants, real-estate agents and field service professionals who run this route regularly typically depart at sunrise to clear the urban congestion before rush hour and arrive in time for scheduled morning meetings. It also pays to scout two or three reliable fuel-and-rest stops along the way before departure. Assuming average fuel economy of about 26 mpg on regular unleaded, the trip burns roughly 68.6 liters (18.1 gallons), costing about $63.11 at typical pump prices. For mileage reimbursement, applying the IRS standard mileage rate (2025) of $0.43/km ($0.69/mile) yields a one-way payout of $324.65. Keep the trip log, business purpose, odometer readings, and exact route documented in your Clara receipt for IRS compliance and internal audit defensibility.