In other cases, "to" is used as an ordinary preposition.
Verbs of communication: listen, speak (but not tell), relate, appeal (in the sense of 'plead,' not 'be attractive')
Verbs of movement: move, go, transfer, walk/run/swim/ride/drive/ fly, travel
Except for transfer, all the verbs in listed here can take toward as well as to. However, "to" suggests movement toward a specific destination, while "toward" suggests movement in a general direction, without necessarily arriving at a destination: