We found 2 dictionaries that define the word half miles:

General (2 matching dictionaries)

1. half-miles, half-miles: Collins English Dictionary
2. half miles: Vocabulary.com

(Note: See half_mile as well.)

Definitions from WordNet (half mile) ▸ noun:  a unit of length equal to half of 1 mile ▸ Also see half_mile ▸ Words similar to half miles ▸ Usage examples for half miles ▸ Idioms related to half miles ▸ Wikipedia articles (New!) ▸ Words that often appear near half miles ▸ Rhymes of half miles ▸ Invented words related to half miles