CE → PI · BR-116 / BR-222
The drive from Fortaleza, CE, to Teresina, PI, covers about 645 km (401 miles) along BR-116 / BR-222, with an estimated travel time of 7h 35m in normal traffic conditions. Fortaleza is the capital cearense e maior cidade do Nordeste em PIB, while Teresina stands out as the capital piauiense e única capital nordestina situada fora da faixa litorânea. 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 gasolina comum, the trip burns roughly 58.6 liters (15.5 gallons), costing about R$ 357,46 at typical pump prices. For mileage reimbursement, applying the mercado privado (faixa típica) of R$ 1,10/km (R$ 1,77/mile) yields a one-way payout of R$ 709,50. Keep the trip log, business purpose, odometer readings, and exact route documented in your Clara receipt for IRS compliance and internal audit defensibility. For the US professional driving the 645 km (401 mi) between Fortaleza and Teresina, reimbursement of R$ 709,50 stays non-taxable to the employee when the employer follows an accountable plan under Treas. Reg. §1.62-2 and reimburses at or below the IRS standard mileage rate. US employers generally reimburse at the IRS standard mileage rate so the payment stays non-taxable to the employee under Pub. 463. Keep the IRS-compliant expense report (Form 1040 Schedule C, line 9) alongside the fuel receipt from any EIA-tracked retail station network pump used along the leg; Internal Revenue Service (IRS) examiners pull contemporaneous mileage logs first when auditing Schedule C unreimbursed business expenses, and the Fortaleza→Teresina corridor must show date, business purpose, and odometer readings.