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

Distance from Williamstown, SA to Hynam, SA

Distance

342 km

Time

4 hours 18 mins

Gas Cost

$26 - $67

Helpful Inaccurate

There are 308.97 km (191.98 miles) from Williamstown to Hynam in southeast direction and 342.79 km (213 miles) by car, following the A66 route.

Williamstown and Hynam are 4 hours 18 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, SA to Hynam, SA.

Williamstown, SA and Hynam, SA are in the same time zone (ACST). Current time in both locations is 8:55 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Williamstown, SA to Hynam, SA:

Lowest Price Rental Cars in Williamstown, SA

Planning on renting a car to go from Williamstown, SA to Hynam, SA? 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 36.98 liters of fuel to cover the route between Williamstown, SA and Hynam, SA.

The estimated cost of fuel to go from Williamstown to Hynam is $55.47.

During the route, an average car will release 884.50 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williamstown, SA and Hynam, SA

If you want to meet halfway between Williamstown, SA and Hynam, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.797310 and 139.944687, or 35º 47' 50.316" S, 139º 56' 40.8732" E. This location is 106.37 miles away from Williamstown, SA and Hynam, SA and it would take approximately 2 hours 9 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	191.98 mi	308.97 km	166.83 nautical mi
Driving distance	213 mi	342.39 km	184.87 nautical mi

Road Trip Tips