The present disclosure relates to systems and methods for searching for a route. The systems may perform the methods to obtain route information of a first route; encode the route information of the first route into a first code based on a target model; access a target database in at least one storage medium, wherein the target database includes a plurality of candidate codes encoded through the target model from a plurality of candidate routes; identify, from the plurality of candidate codes, a second code based on the first code, the second code being associated with at least one second route; and send information associated with the at least one second route to a receiving device.