Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Ryōmō Line
Table title:
Station list
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Line </th><th colspan=1 rowspan=2 > Station </th><th colspan=1 rowspan=2 > Japanese </th><th colspan=2 rowspan=1 > Distance (km) </th><th colspan=1 rowspan=2 > Transfers </th><th colspan=2 rowspan=2 > Location </th></tr>
<tr> <th colspan=1 rowspan=1 > Between stations </th><th colspan=1 rowspan=1 > Total </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=19 > Ryōmō Line </td><td colspan=1 rowspan=1 > Oyama </td><td colspan=1 rowspan=1 > 小山 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 0.0 </td><td colspan=1 rowspan=1 > Tohoku Shinkansen, Tohoku Main Line (Utsunomiya Line), Shonan-Shinjuku Line, Mito Line </td><td colspan=1 rowspan=2 > Oyama </td><td colspan=1 rowspan=11 > Tochigi </td></tr>
<tr> <td colspan=1 rowspan=1 > Omoigawa </td><td colspan=1 rowspan=1 > 思川 </td><td colspan=1 rowspan=1 > 5.4 </td><td colspan=1 rowspan=1 > 5.4 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 栃木 </td><td colspan=1 rowspan=1 > 5.4 </td><td colspan=1 rowspan=1 > 10.8 </td><td colspan=1 rowspan=1 > TN Tobu Nikko Line TN Tobu Utsunomiya Line </td></tr>
<tr> <td colspan=1 rowspan=1 > Ōhirashita </td><td colspan=1 rowspan=1 > 大平下 </td><td colspan=1 rowspan=1 > 4.4 </td><td colspan=1 rowspan=1 > 15.2 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Iwafune </td><td colspan=1 rowspan=1 > 岩舟 </td><td colspan=1 rowspan=1 > 4.1 </td><td colspan=1 rowspan=1 > 19.3 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Sano </td><td colspan=1 rowspan=1 > 佐野 </td><td colspan=1 rowspan=1 > 7.3 </td><td colspan=1 rowspan=1 > 26.6 </td><td colspan=1 rowspan=1 > Tōbu Sano Line </td><td colspan=1 rowspan=1 > Sano </td></tr>
<tr> <td colspan=1 rowspan=1 > Tomita </td><td colspan=1 rowspan=1 > 富田 </td><td colspan=1 rowspan=1 > 4.5 </td><td colspan=1 rowspan=1 > 31.1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=5 > Ashikaga </td></tr>
<tr> <td colspan=1 rowspan=1 > Ashikaga Flower Park </td><td colspan=1 rowspan=1 > あしかがフラワーパーク </td><td colspan=1 rowspan=1 > 0.9 </td><td colspan=1 rowspan=1 > 32.0 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 足利 </td><td colspan=1 rowspan=1 > 6.2 </td><td colspan=1 rowspan=1 > 38.2 </td><td colspan=1 rowspan=1 > TI Tobu Isesaki Line (Ashikagashi) </td></tr>
<tr> <td colspan=1 rowspan=1 > Yamamae </td><td colspan=1 rowspan=1 > 山前 </td><td colspan=1 rowspan=1 > 4.5 </td><td colspan=1 rowspan=1 > 42.7 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Omata </td><td colspan=1 rowspan=1 > 小俣 </td><td colspan=1 rowspan=1 > 4.6 </td><td colspan=1 rowspan=1 > 47.3 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Kiryū </td><td colspan=1 rowspan=1 > 桐生 </td><td colspan=1 rowspan=1 > 5.6 </td><td colspan=1 rowspan=1 > 52.9 </td><td colspan=1 rowspan=1 > Watarase Keikoku Line Jōmō Line (Nishi-Kiryū) </td><td colspan=1 rowspan=1 > Kiryū </td><td colspan=1 rowspan=12 > Gunma </td></tr>
<tr> <td colspan=1 rowspan=1 > Iwajuku </td><td colspan=1 rowspan=1 > 岩宿 </td><td colspan=1 rowspan=1 > 2.3 </td><td colspan=1 rowspan=1 > 56.9 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Midori </td></tr>
<tr> <td colspan=1 rowspan=1 > Kunisada </td><td colspan=1 rowspan=1 > 国定 </td><td colspan=1 rowspan=1 > 6.4 </td><td colspan=1 rowspan=1 > 63.3 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=2 > Isesaki </td></tr>
<tr> <td colspan=1 rowspan=1 > 伊勢崎 </td><td colspan=1 rowspan=1 > 5.8 </td><td colspan=1 rowspan=1 > 69.1 </td><td colspan=1 rowspan=1 > TI Tobu Isesaki Line </td></tr>
<tr> <td colspan=1 rowspan=1 > Komagata </td><td colspan=1 rowspan=1 > 駒形 </td><td colspan=1 rowspan=1 > 5.8 </td><td colspan=1 rowspan=1 > 74.9 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=5 > Maebashi </td></tr>
<tr> <td colspan=1 rowspan=1 > Maebashi-Ōshima </td><td colspan=1 rowspan=1 > 前橋大島 </td><td colspan=1 rowspan=1 > 3.2 </td><td colspan=1 rowspan=1 > 78.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 前橋 </td><td colspan=1 rowspan=1 > 3.8 </td><td colspan=1 rowspan=1 > 81.9 </td><td colspan=1 rowspan=1 > Jōmō Line (Chūō-Maebashi) </td></tr>
<tr> <td colspan=1 rowspan=2 > Shin-Maebashi </td><td colspan=1 rowspan=2 > 新前橋 </td><td colspan=1 rowspan=2 > 2.5 </td><td class="highlighted"  colspan=1 rowspan=2 > 84.4 </td><td colspan=1 rowspan=2 > Joetsu Line (for Shibukawa), Agatsuma Line </td></tr>
<tr> <td colspan=1 rowspan=4 > Joetsu Line </td></tr>
<tr> <td colspan=1 rowspan=1 > Ino </td><td colspan=1 rowspan=1 > 井野 </td><td colspan=1 rowspan=1 > 3.3 </td><td colspan=1 rowspan=1 > 87.7 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=3 > Takasaki </td></tr>
<tr> <td colspan=1 rowspan=1 > Takasakitonyamachi </td><td colspan=1 rowspan=1 > 高崎問屋町 </td><td colspan=1 rowspan=1 > 1.2 </td><td colspan=1 rowspan=1 > 88.9 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 高崎 </td><td colspan=1 rowspan=1 > 2.8 </td><td colspan=1 rowspan=1 > 91.7 </td><td colspan=1 rowspan=1 > Joetsu Shinkansen, Hokuriku Shinkansen, Takasaki Line, Shonan-Shinjuku Line, Shinetsu Main Line, Hachiko Line Jōshin Dentetsu Jōshin Line </td></tr>
</table>
Question:
How long is the Ryōmō Line and what other lines does it transfer through?
Answer:
The Ryōmō Line is 84.4 km long and transfers through the Joetsu and Agatsuma Lines.