Calculate the distance between two ZIP codes in miles

zip_distance(zipcode_a, zipcode_b, lonlat = TRUE, units = "miles")

## Arguments

zipcode_a

First vector of ZIP codes

zipcode_b

Second vector of ZIP codes

lonlat

lonlat argument to pass to raster::pointDistance() to select method of distance calculation. Default is TRUE to calculate distance over a spherical projection. FALSE will calculate the distance in Euclidean (planar) space.

units

Specify which units to return distance calculations in. Choices include meters or miles.

## Value

a data.frame containing a column for each ZIP code and a new column containing the distance between the two columns of ZIP code

## Examples

zip_distance("08731", "08901")
#>   zipcode_a zipcode_b distance
#> 1     08731     08901     40.7