Texas → Texas · Interstate 30 / Interstate 35W
The drive from Fort Worth, Texas, to Houston, Texas, covers about 450 km (280 miles) along Interstate 30 / Interstate 35W, with an estimated travel time of 4h 17m in normal traffic conditions. Fort Worth is the fifth-largest city in Texas and historic livestock-trading center known as Cowtown, while Houston stands out as the fourth-largest US city and energy 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 40.9 liters (10.8 gallons), costing about $37.63 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 $193.50. Keep the trip log, business purpose, odometer readings, and exact route documented in your Clara receipt for IRS compliance and internal audit defensibility.