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M4 Line

Sofia Metro
Metro 26.1 km

M4 Line Stations (20)

M4 Line Info

  • Network Sofia Metro
  • Operation Started 2015
  • Total Length 26.1 km
  • Total Stations 20

Terminals

From Obelya
To Sofia Airport

M4 Line Overview

Sofia Metro Line M4 began operations in 2020 and connects Sofia Airport to Obylya. It runs for approximately 16 km and serves approximately 15-20 stations, depending on the section shared with Line M1. The line provides direct access from the airport to central Sofia and the northern districts, passing through important interchange points such as Iskarsko Shosse and Serdica.

Sofia Metro Map 2026 SVG

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Other Lines in Sofia Metro

M1 Line Slivnitsa ↔ Business Park M2 Line Obelya ↔ Vitosha M3 Line Hadzhi Dimitar ↔ Gorna Banya

Frequently Asked Questions — M4 Line

M4 Line has 20 stations on the Sofia Metro network.

M4 Line runs between Obelya and Sofia Airport.

M4 Line is approximately 26.1 km long.

M4 Line opened in 2015.

M4 Line is a Metro line operated under Sofia Metro.

M4 Line is part of the Sofia Metro transit network.