<h2>Usage</h2><br/><h3>fromAddress</h3><br/>From address in the format <b>Street Address, State/Province, Country</b><br/><h3>toAddress</h3><br/>To address in the same format as from address<br/><h3>distanceUnit</h3><br/>Specify either <b>miles</b> or <b>km</b><br/><h3>expresswayEnabled</h3><br/>Specify either <b>true</b> or <b>false</b>. The setting of false prevents highway directions.