Distance between cities › Australia › South Australia › Williamstown, SA › Distance from Williamstown to Cornwall Book Hotels

Distance from Williamstown, SA to Cornwall, TAS

Distance

1,355 km

Time

20 hours 53 mins

Gas Cost

$102 - $264

Helpful Inaccurate

There are 1,112.58 km (691.33 miles) from Williamstown to Cornwall in southeast direction and 1,355.07 km (842 miles) by car and ferry, following the 1 route.

Williamstown and Cornwall are 20 hours 53 mins far apart, if you drive non-stop for 11 hours 53 mins and take a ferry for 9 hours .

This is the fastest route from Williamstown, SA to Cornwall, TAS.

Please note the time difference between Williamstown, SA and Cornwall, TAS is 30 minutes. The current time in Williamstown is 7:00 am and the current time in Cornwall is 7:30 am.

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Lowest Price Rental Cars in Williamstown, SA

Planning on renting a car to go from Williamstown, SA to Cornwall, TAS? Here there are some offers to rent a car in Williamstown, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 146.38 liters of fuel to cover the route between Williamstown, SA and Cornwall, TAS.

The estimated cost of fuel to go from Williamstown to Cornwall is $219.58.

During the route, an average car will release 3,501.52 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.58 kilograms of CO₂ per kilometer.

Average Australia gas price used for calculation is $1.50 per liter of regular gas. Price last updated on March 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williamstown, SA and Cornwall, TAS

If you want to meet halfway between Williamstown, SA and Cornwall, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.673092 and 144.491104, or 37º 40' 23.1312" S, 144º 29' 27.9744" E. This location is 421.11 miles away from Williamstown, SA and Cornwall, TAS and it would take approximately 10 hours 26 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Williamstown, SA and Cornwall, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	691.33 mi	1,112.58 km	600.75 nautical mi
Driving distance	842 mi	1,355.41 km	731.87 nautical mi

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