From Detroit MI (2.5 hrs.)
From Toledo OH (1 hr 15 mins.)
Take I-75 south to Mt. Cory/Ada exit; then State Route 235 south to Ada, Ohio.

From Chicago, IL (5 hrs.)
Take I-90 east to Toledo, Ohio; then I-75 south to Mt. Cory/Ada exit; then State Route 235 south to Ada, Ohio.
Or take I-90 to 65 south then US 30 east to Fort Wayne, IN (see Fort Wayne directions).

From Fort Wayne, IN (1.5 hrs.)
Take US 30 east to State Route 235;then State Route 235 south to Ada, Ohio.

From Indianapolis, IN (3 hrs.)
Take I-70 east to Dayton, Ohio, then I-75 north to Lima, Ohio; then State Route 81 east to State Route 235 south to Ada, Ohio.

From Cincinnati, OH (2.5 hrs.)
Dayton, OH (1.5 hrs.)
Take I-75 north to Lima Ohio; then State Route 81 east to State Route 235 south to Ada, Ohio.

From Columbus, OH (1.5 hrs.)
Take I-270 northwest to US 33 west to Marysville, Ohio; then State Route 31 to Kenton, Ohio; then State Route 309 west 13 miles to the intersection of State Route 235; then State Route 235 north to Ada, Ohio.

From East Cleveland (3 hrs.)
Take I- 271 south; then I-71 south to Route 30; then Route 30 west to State Route 235; then State Route 235 south to Ada, Ohio.

From West Cleveland (2.5 hrs.)
Take the turnpike, Route 80, west to Route 53 south exit, follow Route 53 south to Route 6 west; then Route 6 west to I-75 ; then I-75 south to Mt. Cory/Ada exit; then State Route 235 south to Ada, Ohio.

From Pittsburgh, PA (north) (5 hrs.)
Take the Pennsylvania Turnpike (I-76) west to Ohio Turnpike (I-76) west; then I-76 west continuing through Akron, Ohio; then I-71 south; then US 30 west; then SR 235 south to Ada, Ohio.

From Pittsburgh, PA (south) (4 hrs.)
Take I-70 west to Columbus; then I-270 northwest; then US 33 north to Marysville, Ohio; then SR 31 north to Kenton, Ohio; then SR 309 west; then SR 235 north to Ada, Ohio.