Indiana → Pennsylvania · Interstate 65 / Interstate 70
The drive from Indianapolis, Indiana, to Pittsburgh, Pennsylvania, covers about 625 km (388 miles) along Interstate 65 / Interstate 70, with an estimated travel time of 5h 57m in normal traffic conditions. Indianapolis is the capital of Indiana and home of the Indianapolis 500 motor race, while Pittsburgh stands out as the historic Steel City at the confluence of the Allegheny and Monongahela rivers. 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 56.8 liters (15.0 gallons), costing about $52.26 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 $268.75. Keep the trip log, business purpose, odometer readings, and exact route documented in your Clara receipt for IRS compliance and internal audit defensibility.