To provide an apparatus for guiding a vehicle travel route which can guide an off-route before the vehicle goes out of the run route by detecting in advance that the vehicle attempts to make an incorrect turn or running straight when the vehicle must make a turn.

In this apparatus for guiding a vehicle travel route, an output terminal of a navigator part 1 including a map data 1a and an input part 1b is connected to an input terminal of a route guide data output part 3 having a display part 3a, and the output terminal of the route guide data output part 3 is connected to an input terminal of a voice output control part 4 having a first to a fourth voice guide data 4a-4d. A loudspeaker 6 is connected to an output terminal of the voice output control part 4. A direction-indicating part 2, with winkers 5 connected, is connected to the input terminal of the route guide data output part 3.