Baja California Sur → Sinaloa · Carretera Transpeninsular 1
The drive from La Paz, Baja California Sur, to Mazatlán, Sinaloa, covers about 512 km (318 miles) along Carretera Transpeninsular 1, with an estimated travel time of 5h 41m in normal traffic conditions. La Paz is the capital sudcaliforniana sobre el Mar de Cortés y nodo del ferry Topolobampo-La Paz, while Mazatlán stands out as the puerto turístico del Pacífico y nodo del corredor económico Mazatlán-Durango. 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 28 mpg on gasolina Magna, the trip burns roughly 42.7 liters (11.3 gallons), costing about MXN 1033.34 at typical pump prices. For mileage reimbursement, applying the tarifa promedio de mercado of MXN 6.50/km (MXN 10.46/mile) yields a one-way payout of MXN 3328.00. 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 Canadian professional driving the 512 km between La Paz and Mazatlán, reimbursement of MXN 3328.00 stays excluded from T4 employment income provided the per-kilometre rate matches the CRA's reasonable allowance benchmark for the province. Canadian employers typically reimburse at the CRA reasonable per-kilometre rate (61¢ for the first 5,000 km in 2024) so the payment is excluded from T4 employment income. Keep the GST/HST-compliant fuel receipt from any NRCan-tracked retail network station used during the trip — Canada Revenue Agency (CRA) auditors regularly verify fuel-receipt GST/HST when reviewing T2200 declarations of conditions of employment. The La Paz→Mazatlán mileage must be logged with date, business purpose, opening and closing odometer readings inside the corporate expense system before month-end close to remain deductible.