New York → Rhode Island · Interstate 90 (New York State Thruway)
The drive from Buffalo, New York, to Providence, Rhode Island, covers about 725 km (451 miles) along Interstate 90 (New York State Thruway), with an estimated travel time of 8h 49m in normal traffic conditions. Buffalo is the western New York gateway to the Niagara Frontier and Lake Erie, while Providence stands out as the capital of Rhode Island and one of the oldest seaports in New England. 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 65.9 liters (17.4 gallons), costing about $60.63 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 $311.75. Keep the trip log, business purpose, odometer readings, and exact route documented in your Clara receipt for IRS compliance and internal audit defensibility.