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

Distance from Monash, SA to Williamstown, SA

Distance

193 km

Time

2 hours 25 mins

Gas Cost

$14 - $38

There are 162.68 km (101.08 miles) from Monash to Williamstown in southwest direction and 193.12 km (120 miles) by car, following the A20 route.

Monash and Williamstown are 2 hours 25 mins far apart, if you drive non-stop .

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

Monash, SA and Williamstown, SA are in the same time zone (ACST). Current time in both locations is 12:40 pm.

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Lowest Price Rental Cars in Monash, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Monash »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 20.87 liters of fuel to cover the route between Monash, SA and Williamstown, SA.

The estimated cost of fuel to go from Monash to Williamstown is $31.30.

During the route, an average car will release 499.12 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Monash, SA and Williamstown, SA

If you want to meet halfway between Monash, SA and Williamstown, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.318150 and 139.673599, or 34º 19' 5.34" S, 139º 40' 24.9564" E. This location is 60.03 miles away from Monash, SA and Williamstown, SA and it would take approximately 1 hour 12 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	101.08 mi	162.68 km	87.84 nautical mi
Driving distance	120 mi	193.21 km	104.32 nautical mi

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