$\pi\times9\div2+9+3+9=35.1\ cm$

$\pi\times3\div2+9+3+9=25.7\ cm$

$\pi\times3\div2+9+3+9+3=28.7\ cm$

$\pi\times3\div4+9+3+9=23.4\ cm$

$\pi\times13\div2+13+6+13=52.4\ cm$

$\pi\times6\div2+13+6+13=41.4\ cm$

$\pi\times6\div2+13+13=35.4\ cm$

$\pi\times6\div4+13+13=30.7\ cm$

$\pi\times46\div2+20+46+20=158.3\ m$

$\pi\times20\div2+20+46+20=117.4\ m$

$\pi\times46\div2+20+46+20+46=204.3\ m$

$\pi\times46\div4+20+46+20=122.1\ cm$

$\pi\times90\div2+135+\pi\times90\div2+135=552.7\ m$

$\pi\times90\div2+135+135=411.3\ m$

$\pi\times90\div2+135+\pi\times90\div2=417.7\ m$

$\pi\times90\div4+135=205.7\ cm$

$\pi\times4\div2+\pi\times4\div2+\pi\times4\div2+\pi\times4\div2=25.1\ mm$

$\pi\times4\div2+4+4+4+4=22.3\ mm$

$\pi\times4\div2+4+\pi\times4\div2+4=20.6\ mm$

$\pi\times4\div4=3.1\ mm$

$\pi\times5.7+5.7=23.6\ cm$

$\pi\times5.7\div2+5.7+5.7+5.7=26.1\ cm$

$\pi\times5.7\div2+\pi\times5.7\div2+\pi\times5.7\div2+5.7=32.6\ cm$

$\pi\times5.7+5.7+5.7=29.3\ cm$

$\pi\times34+10+34+10=160.8\ m$

$\pi\times10\div2+10+34+10=69.7\ m$

$\pi\times34\div2+10+34=97.4\ m$

$\pi\times34\div2+10+34+10=107.4\ m$