Port-to-port sea distance
Ulsan to Colombo distance
The sea distance from Ulsan (South Korea) to Colombo (Sri Lanka) is about 4,198 nautical miles (7,775 km), via the Malacca Strait. At 12 knots that is about 14 days 14 hours at sea.
Distance
4,198 nm
7,775 km
Sea days @ 12 kn
14.6
14 days 14 hours
ECA miles
0 nm
No ECA on route
Canals & straits
1
Malacca Strait
Sea days by speed
| Speed | One way | Round voyage |
|---|---|---|
| 10 knots | 17.5 days | 35.0 days |
| 11 knots | 15.9 days | 31.8 days |
| 12 knots | 14.6 days | 29.2 days |
| 13 knots | 13.5 days | 26.9 days |
| 14 knots | 12.5 days | 25.0 days |
| 15 knots | 11.7 days | 23.3 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
Avoiding the Malacca Strait (via Sunda or Lombok)
4,799 nm+601 nm
16.7 days at 12 kn · Sunda Strait
See it on the map- Very deep-draft ships sometimes avoid the Malacca and Singapore straits and go through the Lombok or Sunda strait instead, which adds 601 nm (about 2.1 days at 12 knots).
Voyage estimates by ship size
About this trade
Asia-Pacific clean products. Singapore and North Asian refinery exports supplying Australia, New Zealand and South-east Asia, which import most of the fuel they burn.
- Typical ship sizes
- LR2, LR1, MR
- Related benchmark routes
- TC7 (Singapore–East Coast Australia MR), TC11 (South Korea–Singapore MR)
Questions
How far is Ulsan from Colombo by sea?
The sea distance from Ulsan to Colombo is about 4,198 nautical miles (7,775 km), via the Malacca Strait.
How long does a tanker take to sail from Ulsan to Colombo?
About 14 days 14 hours at 12 knots, or 12.5 days at 14 knots. That is steaming time only; add time for port calls, canal transits and weather.
Which canals and straits does the Ulsan–Colombo route pass?
The shortest route passes the Malacca Strait. Alternative routings are listed above for ships that cannot or will not use them.
How much of the voyage is inside an Emission Control Area?
None. The whole route is outside Emission Control Areas, so the 0.50% global sulphur cap applies throughout.
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.
More voyages from Ulsan
- Ulsan to Hong Kong1,193 nm
- Ulsan to Batangas1,590 nm
- Ulsan to Ho Chi Minh City2,055 nm
- Ulsan to Tanjung Priok2,926 nm
- Ulsan to Port Moresby3,593 nm
- Ulsan to Yangon3,799 nm
- Ulsan to Chittagong4,116 nm
- Ulsan to Brisbane4,211 nm
- Ulsan to Kwinana4,312 nm
- Ulsan to Sydney4,649 nm
- Ulsan to Melbourne5,242 nm
- Ulsan to Auckland5,266 nm
More voyages to Colombo
- Jamnagar to Colombo1,137 nm
- Sikka to Colombo1,137 nm
- Singapore to Colombo1,648 nm
- Fujairah to Colombo1,740 nm
- Ruwais to Colombo2,086 nm
- Sitra to Colombo2,128 nm
- Jubail to Colombo2,196 nm
- Mina Abdullah to Colombo2,312 nm
- Yanbu to Colombo2,797 nm
- Mailiao to Colombo3,413 nm
- Yeosu to Colombo4,105 nm
- Onsan to Colombo4,198 nm