Distance between cities › Australia › Tasmania › Triabunna, TAS › Distance from Triabunna to St Marys Book Hotels

Distance from Triabunna, TAS to St Marys, TAS

Distance

138 km

Time

2 hours

Gas Cost

$10 - $27

There are 105.78 km (65.73 miles) from Triabunna to St Marys in northeast direction and 138.40 km (86 miles) by car, following the A3 route.

Triabunna and St Marys are 2 hours far apart, if you drive non-stop .

This is the fastest route from Triabunna, TAS to St Marys, TAS.

Triabunna, TAS and St Marys, TAS are in the same time zone (AEST). Current time in both locations is 7:23 pm.

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Lowest Price Rental Cars in Triabunna, TAS

Planning on renting a car to go from Triabunna, TAS to St Marys, TAS? Here there are some offers to rent a car in Triabunna, TAS

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Triabunna »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 14.92 liters of fuel to cover the route between Triabunna, TAS and St Marys, TAS.

The estimated cost of fuel to go from Triabunna to St Marys is $22.37.

During the route, an average car will release 356.77 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 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Triabunna, TAS and St Marys, TAS

If you want to meet halfway between Triabunna, TAS and St Marys, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -41.995239 and 148.096634, or 41º 59' 42.8604" S, 148º 5' 47.8824" E. This location is 42.91 miles away from Triabunna, TAS and St Marys, TAS and it would take approximately 1 hour to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Triabunna, TAS and St Marys, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	65.73 mi	105.78 km	57.12 nautical mi
Driving distance	86 mi	138.10 km	74.57 nautical mi

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