For the purpose of computing mileage reimbursement, travel shall be deemed to be by way of the usually traveled, most direct route. Information and maps of the department of transportation shall be used in verifying mileage as reported or claimed by the traveler. Out-of-state mileage shall be based on mileage figures published by the American automobile association. In official interstate travel, the employee's hotel may be considered as a point of official duty.
Kan. Admin. Regs. § 1-17-11