Voyage estimate
Suezmax voyage: Ras Tanura to Trieste
A Suezmax carrying 130,000 tonnes from Ras Tanura to Trieste sails about 4,481 nm laden via the Strait of Hormuz, Bab-el-Mandeb and Suez Canal, about 14.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 33.3 days and burns about 1,172 tonnes of fuel.
Round voyage
33.3 d
14.9 d laden
Laden distance
4,481 nm
Shortest route
Fuel (VLSFO)
1,172 t
Round voyage
CO2
3,691 t
1,846 t in EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Ras Tanura → Trieste | 4,481 nm | 12.5 kn | 14.9 | 598 t |
Ballast Trieste → Ras Tanura | 4,481 nm | 13 kn | 14.4 | 474 t |
Port time Loading and discharge | — | — | 4.0 | 100 t |
| Round voyage | 8,963 nm | 33.3 | 1,172 t |
Laden via the Strait of Hormuz, Bab-el-Mandeb and Suez Canal; ballast via the Strait of Hormuz, Bab-el-Mandeb and Suez Canal.
Emissions and EU ETS
The round voyage burns about 1,172 tonnes of VLSFO, emitting about 3,691 tonnes of CO2. One end of the voyage is in the EU ETS area, so half of the emissions at sea count, plus emissions at the EU berth: about 1,846 tonnes of CO2, or the same number of EU allowances.
From 2026 shipping companies surrender allowances for 100% of in-scope emissions. Who pays is for the charter party to say.
Assumptions
- Cargo
- 130,000 t
- Laden speed
- 12.5 kn at 40 t/day
- Ballast speed
- 13 kn at 33 t/day
- Port time
- 4 days at 25 t/day
- Laden draft
- 17 m
- CO2 factor
- 3.151 t per t fuel
Other ship sizes on this route
Questions
How long does a Suezmax take from Ras Tanura to Trieste?
About 14 days 23 hours laden at 12.5 knots over 4,481 nm via the Strait of Hormuz, Bab-el-Mandeb and Suez Canal. The full round voyage, with the ballast leg back and 4 days in port, takes about 33.3 days.
How much fuel does a Suezmax burn on this voyage?
About 1,172 tonnes of VLSFO for the round voyage (598 t laden, 474 t ballast, 100 t in port), emitting about 3,691 tonnes of CO2.
Is this voyage in the EU Emissions Trading System?
Yes. One end is in the EU ETS area, so half the sea emissions count, plus emissions at the EU berth: about 1,846 tonnes of CO2, which means the same number of EU allowances to surrender.