Related Clues:

• Jazz great Davis
• Indy 500's 500
• Odometer count
• Used-car datum
• Odometer figures
• A marathon has about 26 of these
• A considerable distance
• Distance on a tank
• "Everybody, this is my son, the highway. (Tell 'em your name, kiddo.)" "Hi. I'm _____."
• Odometer marking
• Travel info
• 'But I have promises to keep, and . . . . . to go before I sleep' (Frost)
• Imperial units of length
• His name ought to be Long
• Could this be what Longfellow was called?