STRAIT · FOR OFFICERS, MASTERS AND CHARTERERS
The Bosporus
The Bosporus runs through Istanbul and joins the Sea of Marmara to the Black Sea. It is narrow and winding, under the Turkish Straits rules.
Voyages through the Bosporus
Real voyages NaviBoss plans through the Bosporus, and the distance when the planner's padlock shuts it.
| Voyage | Through it | Without it | Difference |
|---|---|---|---|
| Novorossiysk to Piraeus | 826 nm | — | — |
Navigational warnings
The Bosporus is in NAVAREA III. Keep its in-force warnings, and check the local notices and the vessel traffic service before the transit.
Questions about the Bosporus
Where is the Bosporus?
The Bosporus runs through Istanbul and joins the Sea of Marmara to the Black Sea. It is narrow and winding, under the Turkish Straits rules. NaviBoss places it at about 41°07.2′N 029°03.6′E, in NAVAREA III.
Which voyages go through the Bosporus?
For example Novorossiysk to Piraeus.
Is the Bosporus in a piracy or war-risk area?
Not as of the date on this page: it lies in no ITF/IBF warlike area, JWC listed area or piracy hotspot that NaviBoss draws.
Other canals and straits
- Suez Canal
- Panama Canal
- Kiel Canal
- Corinth Canal
- Strait of Gibraltar
- Strait of Dover
- Bab el-Mandeb
- Strait of Hormuz
- Malacca Strait
- Singapore Strait
- Sunda Strait
- Makassar Strait
- Torres Strait
- Taiwan Strait
- Tsugaru Strait
- Dardanelles
- Øresund (The Sound)
- Strait of Messina
- Strait of Sicily
- Strait of Bonifacio
- Cape of Good Hope
- Strait of Magellan
- Bass Strait
- Windward Passage
- Straits of Florida
- Strait of Juan de Fuca
- San Bernardino Strait
- Verde Island Passage
- Balabac Strait
- Pentland Firth
Avoid it on your own voyage
In the planner, tap the padlock on the Bosporus (or any of 950 passages) and the route is re-planned the other way, with the extra miles shown. Free with an account.
Open the route planner →About our guides
NaviBoss guides are written and checked by maritime industry experts, masters and deck officers. Each one is built from the same data the planner uses, dated, and rebuilt when that data changes. Spotted something wrong? Tell us on the feedback board.
A planning aid, not for navigation. Check official charts and publications, the latest notices and your company's instructions before you rely on any figure here.