Distance between cities › Australia › South Australia › Roxby Downs, SA › Distance from Roxby Downs to Mercunda Book Hotels

Distance from Roxby Downs, SA to Mercunda, SA

Distance

645 km

Time

8 hours 16 mins

Gas Cost

$48 - $126

Helpful Inaccurate

There are 539.76 km (335.39 miles) from Roxby Downs to Mercunda in southeast direction and 645.35 km (401 miles) by car and ferry, following the A87 route.

Roxby Downs and Mercunda are 8 hours 16 mins far apart, if you drive non-stop for 8 hours 11 mins and take a ferry for 5 minutes .

This is the fastest route from Roxby Downs, SA to Mercunda, SA.

Roxby Downs, SA and Mercunda, SA are in the same time zone (ACST). Current time in both locations is 7:14 pm.

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Lowest Price Rental Cars in Roxby Downs, SA

Planning on renting a car to go from Roxby Downs, SA to Mercunda, SA? Here there are some offers to rent a car in Roxby Downs, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Roxby Downs »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 69.63 liters of fuel to cover the route between Roxby Downs, SA and Mercunda, SA.

The estimated cost of fuel to go from Roxby Downs to Mercunda is $104.44.

During the route, an average car will release 1,665.46 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 Roxby Downs, SA and Mercunda, SA

If you want to meet halfway between Roxby Downs, SA and Mercunda, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -33.063936 and 138.03877, or 33º 3' 50.1696" S, 138º 2' 19.572" E. This location is 200.30 miles away from Roxby Downs, SA and Mercunda, SA and it would take approximately 4 hours 8 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Roxby Downs, SA and Mercunda, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	335.39 mi	539.76 km	291.45 nautical mi
Driving distance	401 mi	644.69 km	348.10 nautical mi

Road Trip Tips