1. A driving support apparatus for capturing an image of an area, which is hidden as a blind spot of a driver of a vehicle due to presence of a pillar of the vehicle, and for displaying a captured image on an interior side of the pillar, comprising: plural imaging devices mounted at different positions on the vehicle to capture images of different blind spot areas created by the presence of the pillar and position of the driver; detecting means for detecting position of the driver seated in a driver's seat in the vehicle; angle calculating means for calculating an angle of the blind spot due to the presence of the pillar on the basis of the detected position of the driver; selecting means for selecting one of the imaging devices, in accordance with the calculated angle of the blind spot, from among the plural imaging means; image signal obtaining means for receiving an image signal from the selected imaging device; and output control means for displaying an image of the blind spot area on the interior side of the pillar in the vehicle, on the basis of the image signal which is received from the selected imaging device.