- Western Terminus:
- Main Road (RI 77) in Tiverton
- Eastern Terminus:
- Crandall Road (RI 81) and Main Street in Little Compton
RI 179 is a short east/west route in Tiverton and Little Compton. It begins at Main Road (RI 77) and runs east along East Road before turning southeast onto Stone Church Road. It ends at the southern terminus of Crandall Road (RI 81), just before the Rhode Island-Massachusetts state line. The entire length is a two-lane undivided road.