Marysville is the county seat for Union County
Adjacent to Union County, Ohio
Champaign County (92) ► Delaware County (138) ► Franklin County (722) ► Hardin County (72) ► Logan County (185) ► Madison County (32) ► Marion County (50) ►
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| On Ohio Route 31, on the left when traveling north. |
| On South Main Street (Ohio Route 37), on the right when traveling north. |
| On Park Avenue, 0.1 miles north of West 5th Street, on the left when traveling north. |
| On Park Road, on the left when traveling west. |
| On West Fifth Street at South Main Street, on the left when traveling west on West Fifth Street. |
| On W Sixth St, on the right when traveling west. |
| Near West Fifth Street (Ohio Route 245) at Raymond Road (County Route 191). |
| On Middleburg-Plain City Rd (County Route 57) when traveling east. |
| On South Main Street at East 6th Street, on the right when traveling north on South Main Street. |
| On Main Street (Ohio Route 38) at Fifth Street, on the right when traveling north on Main Street. |
| On London Avenue (Ohio Route 38) 0.3 miles south of West 8th Street, on the right when traveling south. |
| On South Main Street (Ohio Route 38) at Sixth Street, on the left when traveling south on South Main Street. |
| On South Main Street (Ohio Route 38) at Sixth Street, on the right when traveling south on South Main Street. |
| Near Marysville- London Road (Ohio Route 38) at Burns Road (County Route 58). |
| Near Marysville- London Road (Ohio Route 38) at Burns Road (County Route 58). |
| Near Marysville- London Road (Ohio Route 38) at Burns Road (County Route 58). |
| On Industrial Parkway (old US 33) (County Route 1), on the right when traveling south. |
| On North Main Street (Ohio Route 38) at East 4th Street, on the right when traveling north on North Main Street. |
| On Raymond Road (County Road 191) 0.4 miles south of Barker Road (County Road 139), on the right when traveling south. |
| Near Fifth Street (Ohio Route 245) at Raymond Road (County Route 191). |
| On Marysville- Plain City Road (Ohio Route 736) at Kandel Road (County Route 61), on the right when traveling east on Marysville- Plain City Road. |
| On West 4th Street west of North Main Street (Ohio Route 38), on the right when traveling west. |
| On Court Street at Sixth Street, on the right when traveling south on Court Street. |
| On Sixth Street, on the right when traveling west. |
| On West 6th Street, 0.1 miles west of South Court Street, on the left when traveling west. |
| On South Main Street (Ohio Route 38) just south of West 6th Street, on the right when traveling south. |
| On Court Street at Fifth Street, on the right when traveling south on Court Street. |
| On West 5th St. at Court Street, on the right when traveling east on West 5th St.. |
| On W 6th St, on the right when traveling west. |
| On Raymond Road (County Route 191) 1 mile north of U.S. 33, on the left when traveling north. |
| Near Mill Road (County Route 143). |
| On Mill Road (County Route 143) east of Raymond Road (County Route 191), on the left when traveling east. |
| On Post Road (Ohio Route 161) at Axe Handle Rd (County Route 87), on the right when traveling west on Post Road. |
| On Streng Road (County Route 67). |
| On Winget Road (County Route 62), in the median. |
| On Mill Street (U.S. 36) at State Street (County Route 57), on the right when traveling north on Mill Street. |
| On Middleburg-Plain City Rd (County Route 57), on the left when traveling east. |
| On Mill Street (U.S. 36) at State Street (County Route 57), on the right when traveling north on Mill Street. |
| On Mill Street (U.S. 36) at State Street (County Route 57), on the right when traveling north on Mill Street. |
| On Middleburg-Plain City Rd (County Route 57), on the left when traveling east. |
| On Middleburg-Plain City Rd (County Route 57), on the left when traveling east. |
| On U.S. 42 at Industrial Parkway (Old U.S. 33), on the right when traveling south on U.S. 42. |
| On U.S. 42 at Industrial Parkway (County Route 1), on the right when traveling south on U.S. 42. |
| On Inskeep-Cratty Road (County Route 163) 0.8 miles north of Ohio Route 245, on the right when traveling south. |
| On Inskeep-Cratty Road (County Route 163) west of Ohio Route 245, on the right when traveling north. |
| On Jerome Road (County Route 11), on the right when traveling north. |
| On Jerome Road (County Route 11) south of Ryan Parkway, on the right when traveling south. |
| On Pastime Street just west of North Chillicothe Street, on the right when traveling west. |
| On Main Street (Ohio Route 347), on the right when traveling south. |
| On Ohio Route 37 at Bethlehem-Claiboure Road (County Route 200), on the right when traveling south on State Route 37. |
| On Graham Lane at Lynn Street, on the left when traveling east on Graham Lane. |
| On Franklin Street (Ohio Route 37) at Bomford Street40.42543,-83.296122, on the left when traveling south on Franklin Street. |
| On West Main Street (County Route 57), on the right when traveling west. |
| On Middleburg-Plain City Rd (County Route 57) at Cross Street (County Route 55), on the right when traveling west on Middleburg-Plain City Rd. |
| On Main Street (County Route 57) at Cross Street (County Route 55), on the right when traveling west on Main Street. |
| On Treaty Line Road at Hoover-Moffitt Road, on the right when traveling east on Treaty Line Road. |
| On Treaty Line Road (County Route 26) east of West Mansfield - Mount Victory Road (County Route 124). Reported missing. |
| On Raymond-Byhalia Pike (Route 739), on the left when traveling north. |
| On Raymond-Byhalia Pike (Ohio Route 739), on the left when traveling north. |