FM 517 from Dickinson, Texas to FM 528 Friendswood, Texas is about 20 miles. The trip should take about 30 minutes to complete. This is a round about way to get to Friendswood from Dickinson and there alternate routes. The alternate routes are shorter in both miles and travel time. For instance, if you traveled from Dickinson to Friendswood via the Gulf Freeway/I-45 north to FM 528, travel time is about the same, but mileage is about 17 miles. You could also take FM 517 from Dickinson to the Gulf Freeway/I-45 to League City and pick up FM 528 from there, reducing your mileage to just over 13 miles with about 22 minutes of travel time.