public DistanceMatrixApiRequest destinations(String... destinations) {
    return param("destinations", join('|', destinations));
  }
One or more addresses to which to calculate distance and time. The service will geocode the
strings and convert them to latitude/longitude coordinates to calculate directions.

@param destinations Strings to geocode and use as a destination point (e.g. "Jersey City, NJ")
@return Returns this {@code DistanceMatrixApiRequest} for call chaining.
src/main/java/com/google/maps/DistanceMatrixApiRequest.java