Marietta, Ohio is close to the interstate highway I-77. It is neighboring other cities: Williamstown, WV (2.1mi/6m ); Unionville, OH (3mi/8m ); Reno, OH (5.2mi/10m ). You can get to the city from exit 1 of i77 (2.1mi/5m ); exit 185 of i77 (3.7mi/7m ); exit 6 of i77 (28.8mi/36m ). Marietta, Ohio can reach interstate highways: i77 (2.1mi/5m ); i70 (59.7mi/1.2h ); i79 (87.2mi/2.2h ). It is also close to local highways: OH 26 (1.2mi/4m ); OH 7 (1mi/4m ); OH 60 (1.2mi/4m ).