About 530 miles.
telephone area code
Area code 302 is the entire state of Delaware. Area code 740 is southeastern Ohio, including Marion and Zanesville. It's over 300 miles between them, depending on where in each area code you measure from.
530 km across E80 (OUEST).
Area code 614 is Columbus, Ohio; area code 419 (and overlay code 567) is in Toledo, Ohio, but also includes cities like Findlay, Lima, Sandusky, and Mansfield. At the closest, there is only about 10 or 12 miles between area code 614 and area code 419/567.
About 7.5 or 8 hours, or 530 miles.
About 530 Miles - about 8.75 hrs
About 853 kilometres or 530 miles.
209 miles or 337 kilometres