WordNet (r) 3.0 (2006):

long distance
    n 1: a telephone call made outside the local calling area; "I
         talked to her by long distance" [syn: long distance,
         long-distance call, trunk call]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "long distance":
   DDD, PBX operator, apart, asunder, at a distance, away,
   busy signal, buzz, call, central, dial tone,
   direct distance dialing, distal, distant, exotic, far, far off,
   faraway, local call, long-distance call, long-range, mobile call,
   operator, person-to-person call, phone call, remote, removed, ring,
   separated, station-to-station call, switchboard operator,
   telephone call, telephone operator, telephonist, toll call