Possible Clues:

• Dayton-to-Toledo dir.
• Nautical heading: Abbr.
• Wind dir.
• Mobile-to-Birmingham dir.
• About-face from SSW
• Dir. opp. SSW
• Miami-to-Boston dir.
• Jackson-to-Tupelo dir.
• Monterey-to-Stockton dir.
• Mobile-to-Huntsville dir.