Port-to-port sea distance
Mongstad to Porvoo distance
The sea distance from Mongstad (Norway) to Porvoo (Finland) is about 1,057 nautical miles (1,958 km), on the open-sea route. At 12 knots that is about 3 days 16 hours at sea.
Distance
1,057 nm
1,958 km
Sea days @ 12 kn
3.7
3 days 16 hours
ECA miles
1,006 nm
95% of the route
Canals & straits
0
Open-sea route
Sea days by speed
| Speed | One way | Round voyage |
|---|---|---|
| 10 knots | 4.4 days | 8.8 days |
| 11 knots | 4.0 days | 8.0 days |
| 12 knots | 3.7 days | 7.3 days |
| 13 knots | 3.4 days | 6.8 days |
| 14 knots | 3.1 days | 6.3 days |
| 15 knots | 2.9 days | 5.9 days |
Steaming time only, with no allowance for weather, canal waiting or port time. The round voyage assumes the ship ballasts back on the same route.
Routes compared
Voyage estimates by ship size
About this trade
North Sea crude. North Sea grades loaded at Sullom Voe, Hound Point, Mongstad and Sture, moved short-haul into Europe or arbitraged long-haul to Asia.
- Typical ship sizes
- Aframax, Suezmax
Questions
How far is Mongstad from Porvoo by sea?
The sea distance from Mongstad to Porvoo is about 1,057 nautical miles (1,958 km), on the open-sea route.
How long does a tanker take to sail from Mongstad to Porvoo?
About 3 days 16 hours at 12 knots, or 3.1 days at 14 knots. That is steaming time only; add time for port calls, canal transits and weather.
Which canals and straits does the Mongstad–Porvoo route pass?
None. The shortest route stays in open water without passing a major canal or strait.
How much of the voyage is inside an Emission Control Area?
About 1,006 nm, or 95% of the voyage, is inside an ECA, where ships must burn 0.10% sulphur fuel or use a scrubber.
Terms on this page
Distances are calculated by Vessbook on a modelled global shipping-lane network for a tanker at 12 m draft, from berth area to berth area.