equidistant

from WordNet (r) 3.0 (2006)

equidistant
    adj 1: the same distance apart at every point

from The Collaborative International Dictionary of English v.0.48

Equidistant \E`qui*dis"tant\, a. [L. aequidistans, -antis;
   aequus equal + distans distant: cf. F. ['e]quidistant.]
   Being at an equal distance from the same point or thing. --
   {E`qui*dis"tant*ly}, adv. --Sir T. Browne.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

48 Moby Thesaurus words for "equidistant":
      aligned, amidships, analogous, average, center, centermost,
      central, coextending, coextensive, collateral, concurrent, core,
      equal, equatorial, equispaced, even, halfway, interior,
      intermediary, intermediate, lined up, mean, medial, median,
      mediocre, mediterranean, medium, mesial, mezzo, mid, middle,
      middlemost, middling, midland, midmost, midships, midway,
      nonconvergent, nondivergent, nuclear, parallel, parallelepipedal,
      parallelinervate, paralleling, parallelodrome, parallelogrammatic,
      parallelogrammic, parallelotropic