**Other "distances"**

- E-statistics, or energy statistics, are functions of distances between statistical observations.
- Mahalanobis distance is used in statistics.
- Hamming distance and Lee distance are used in coding theory.
- Levenshtein distance
- Chebyshev distance
- Canberra distance

Circular distance is the distance traveled by a wheel. The circumference of the wheel is 2*π* × radius, and assuming the radius to be 1, then each revolution of the wheel is equivalent of the distance 2*π* radians. In engineering *ω* = 2*πƒ* is often used, where *ƒ* is the frequency.

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### Famous quotes containing the word distances:

“We then entered another swamp, at a necessarily slow pace, where the walking was worse than ever, not only on account of the water, but the fallen timber, which often obliterated the indistinct trail entirely. The fallen trees were so numerous, that for long *distances* the route was through a succession of small yards, where we climbed over fences as high as our heads, down into water often up to our knees, and then over another fence into a second yard, and so on.”

—Henry David Thoreau (1817–1862)

“I was surprised by Joe’s asking me how far it was to the Moosehorn. He was pretty well acquainted with this stream, but he had noticed that I was curious about *distances*, and had several maps. He and Indians generally, with whom I have talked, are not able to describe dimensions or *distances* in our measures with any accuracy. He could tell, perhaps, at what time we should arrive, but not how far it was.”

—Henry David Thoreau (1817–1862)