Possible Clues:

• Trans-Canada Hwy. measures
• Autobahn distances: Abbr
• 10 of them are about 6.2 mi.
• Measures when driving on the left side of the road: Abbr.
• There are 1.609 in a mi.
• maps.google.fr meas.
• Units of length equal to 1,000 meters, briefly
• Measures for drivers on the left side of the road: Abbr.
• Marathon units (Abbr.)
• Canadian units of distance, familiarly