par exemple ceux ci a nantes
https://maps.google.fr/maps?saddr=Boulevard+de+La+Baule%2FD201&daddr=Boulevard+de+La+Baule%2FD201&hl=fr&ll=47.221971,-1.607823&spn=0.003231,0.004823&sll=47.225747,-1.602759&sspn=0.018273,0.038581&geocode=FVWM0AId03_n_w%3BFTaP0AIdlXDn_w&t=h&mra=dme&mrsp=1&sz=15&z=18
ou encore a brest
https://maps.google.fr/maps?saddr=Ru...p=1&sz=17&z=17