Stars within 20 light-years of 39 Serpentis:
Eggen/Greenstein white dwarf 117: 4.64193 light-years, class DA6 wd
Bonner Durchmusterung +7°3180: 10.411 light-years, class K8 V
Catalogue Astrographique +18°1890-112: 11.8912 light-years, class M4.5 V
Struve 2052: 12.5172 light-years, class K3 V
Psi Serpentis: 13.4715 light-years, class G5 V
Luyten Palomar 441-33: 14.7766 light-years, class M5 V-VI
Bonner Durchmusterung +6°2986: 15.7043 light-years, class K5 V-VI
McCook & Sion White Dwarf 1514+33: 15.9958 light-years, class DAwk wd
Bonner Durchmusterung +25°2874: 16.2459 light-years, class K7 V
Catalogue Astrographique +12°1155-87: 16.3412 light-years, class M1.5 V
Bonner Durchmusterung +17°2785: 16.3783 light-years, class K5 V
Epsilon Serpentis: 16.474 light-years, class A2m V
Bonner Durchmusterung +11°2874: 16.9326 light-years, class M0 V
Bonner Durchmusterung -0°2944: 17.272 light-years
Bonner Durchmusterung +2°3001: 18.0383 light-years, class G8 V
Alpha Serpentis: 18.1467 light-years, class K2 III
45 Boötis: 18.3115 light-years, class F5 V
Bonner Durchmusterung +24°2786: 18.4648 light-years, class G2 V
Bonner Durchmusterung +10°2710: 18.7468 light-years, class K0 V
Bonner Durchmusterung +15°3108: 18.764 light-years, class K0 V
Bonner Durchmusterung +25°3020: 18.8556 light-years, class G8 V
Luyten Palomar 684-17: 18.9576 light-years, class M4.5-5 V
Eta Coronae Borealis: 19.2229 light-years, class G2 V
Lambda Serpentis: 19.2643 light-years, class G0 V
Bonner Durchmusterung +0°3593: 19.3793 light-years, class G8 V
Eggen/Greenstein white dwarf 327: 19.418 light-years, class DC7 wd
Rho Coronae Borealis: 19.9413 light-years, class G0 V