ROUTE GUIDE

Helsinki (West Harbour) → Tallinn (Old City Harbour) fuel cost

A quick page for answering what this route will cost with your boat.

Quick answer

The distance reference we use for Helsinki (West Harbour) → Tallinn (Old City Harbour) is ≈ 46.1 nm one way. It is for fuel budgeting, not a navigation instruction.

Enter your real cruising speed.
Use total fuel burn for all engines in L/h.
Change price per litre for your harbour or marina.

Formula: cost = distance ÷ speed × L/h fuel burn × price/L

Distance source

Mikko Heikkilä · Maritime study (2020) · Study reference · checked 2026-09-05.

The study identifies 46.1 nm via the deep-water fairway from West Harbour. Not a straight line or a pleasure-boat track.

Also useful

Open the port-to-port page · Calculate cost per mile