<page_title> Southern Expressway (South Australia) </page_title> <section_title> Exits and intersections </section_title> <table> <cell> 18.5 <col_header> km </col_header> <col_header> 0 </col_header> <col_header> 0.5 </col_header> <col_header> 7.2 </col_header> <col_header> 11.7 </col_header> <col_header> 15.3 </col_header> </cell> <cell> 11.5 <col_header> mi </col_header> <row_header> 18.5 </row_header> </cell> </table>
The Southern Expressway is 18.5 km (11.5 mi) in South Australia.