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California → Arizona · Interstate 5 (Golden State Freeway)
Heading out from Los Angeles, California, toward Phoenix, Arizona, the driver covers roughly 678 km (421 miles) primarily on Interstate 5 (Golden State Freeway), spending around 6h 27m between origin and destination outside peak hours. Departing from Los Angeles, the second-largest US city and entertainment-industry capital, the route traverses areas with distinct economic profiles before reaching Phoenix, the fifth-largest US city and capital of Arizona. Trip planning should always include checking road conditions, toll plazas, active work zones, and the regional weather forecast — winter storms, holiday weekends and summer construction can each extend the schedule meaningfully. Estimated fuel cost — based on 61.6 liters of regular unleaded at 0.92 USD/liter — runs about $56.67. Applying the IRS standard mileage rate (2025) reimbursement rate of $0.43/km produces a one-way reimbursement of $291.54. Use the calculator below to issue a formal receipt capturing origin, destination, date, business purpose, and total — ready to submit to finance or export to Clara.