Port-to-port sea distance
Onsan to Kwinana distance
The sea distance from Onsan (South Korea) to Kwinana (Australia) is about 4,312 nautical miles (7,985 km), on the open-sea route. At 12 knots that is about 14 days 23 hours at sea.
Distance
4,312 nm
7,985 km
Sea days @ 12 kn
15.0
14 days 23 hours
ECA miles
0 nm
No ECA on route
Canals & straits
0
Open-sea route
Sea days by speed
| Speed | One way | Round voyage |
|---|---|---|
| 10 knots | 18.0 days | 35.9 days |
| 11 knots | 16.3 days | 32.7 days |
| 12 knots | 15.0 days | 29.9 days |
| 13 knots | 13.8 days | 27.6 days |
| 14 knots | 12.8 days | 25.7 days |
| 15 knots | 12.0 days | 24.0 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
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 Onsan from Kwinana by sea?
The sea distance from Onsan to Kwinana is about 4,312 nautical miles (7,985 km), on the open-sea route.
How long does a tanker take to sail from Onsan to Kwinana?
About 14 days 23 hours at 12 knots, or 12.8 days at 14 knots. That is steaming time only; add time for port calls, canal transits and weather.
Which canals and straits does the Onsan–Kwinana 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?
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 Onsan
- Onsan to Hong Kong1,193 nm
- Onsan to Batangas1,590 nm
- Onsan to Ho Chi Minh City2,055 nm
- Onsan to Tanjung Priok2,926 nm
- Onsan to Port Moresby3,593 nm
- Onsan to Yangon3,799 nm
- Onsan to Chittagong4,116 nm
- Onsan to Colombo4,198 nm
- Onsan to Brisbane4,211 nm
- Onsan to Sydney4,649 nm
- Onsan to Melbourne5,242 nm
- Onsan to Auckland5,266 nm