Stars within 20 light-years of Eta Serpentis:
Bonner Durchmusterung -1°3474: 1.6343 light-years, class M1 V
Bonner Durchmusterung -1°3500: 2.63323 light-years, class K5 V
Tau Ophiuchi: 9.20593 light-years
Bonner Durchmusterung -9°4692: 9.78172 light-years, class G8 V
Eggen/Greenstein white dwarf 200: 10.2404 light-years, class DA5 wd
Bonner Durchmusterung -0°3631: 11.7624 light-years, class G5 V
Eggen/Greenstein white dwarf 176: 11.8753 light-years, class DA7 wd
Bonner Durchmusterung -6°4663: 13.6125 light-years, class M1.5 V
Catalogue Astrographique +3°2528-176: 14.2652 light-years, class M1.5 V
Bonner Durchmusterung -13°5069: 14.5094 light-years, class M0 V
Bonner Durchmusterung +4°3553: 15.0467 light-years, class K8 V
Struve 2173: 15.2261 light-years, class G8 IV-V
Zeta Serpentis: 15.2466 light-years, class F3 V
Bonner Durchmusterung +10°3665: 16.5243 light-years, class K4 V
Bonner Durchmusterung -3°4380: 16.8415 light-years, class K7 V
Ross 136: 16.9501 light-years, class M3 V-VI
Vyssotsky McCormick 791: 18.081 light-years, class K7 V-VI
Bonner Durchmusterung +13°3578: 18.1536 light-years, class M0 V
Bonner Durchmusterung +10°3724: 18.5201 light-years, class M0 V
Gliese & Jahreiss 1212: 19.0153 light-years, class M1 V?