To place milestones along (a road, etc.). / (idiomatic) To plan out a project as a series of major steps.

The total distance travelled in miles or in air miles. / The number of miles travelled by a vehicle on a certain volume of fuel. / An allowance for travel expenses at a specified rate per mile.

plural of milestone

(sports, often in combination) An athlete or a horse who specializes in running races of one mile, or a specified number of miles. / (in combination) A race whose length is the specified number of miles.

plural of miler

A post on a highway, often with one or more fingerposts, showing the distance in miles to nearby places

To place mileposts along (a road, etc.).

plural of milepost

One who goes the extra mile, or does more than is expected of them.

A mile, or roughly a mile, in length