A navigation apparatus for registers a place of departure a destination, a route traveled, a time of day and/or a day of the week that the route was traveled; determines whether an input place of departure and input destination are respectively substantially the same as a place of departure and destination of a registered route; reads out a particular registered route from registered route information, the particular registered route having substantially the same place of departure and destination as the respective input place of departure and input destination and a registered day of the week that is the same as a day of the week and/or a registered time of day that is nearest to a time of day for which route guidance between the input place of departure and input destination is requested, performs route guidance based on a route returned.