Some petrol stations just 1.5km apart had a price difference of up to 34 cents last week, digital services minister Victor Dominello said.

This has sparked the government to urge drivers to check the FuelCheck app before hitting the road over the festive period.

The cheapest petrol stations have been pinpointed across NSW this Christmas. (Drive)

”Cheaper petrol is in the palm of your hand, so please take advantage of it heading into the holidays,” Dominello said.

“Jumping on the app can really make an impact.”

“This time of year, many people hit the road to join family at Christmas celebrations and to holiday within the state. FuelCheck is free and can slash your petrol bill,” treasurer Matt Kean said.

So where are the cheapest petrol stations?

Petrol prices Sydney
Prices can differ up to 34 cents at different petrol stations within a 2km radius. (9News)

When driving on the Princes Highway to or from Sydney, the Speedway Carss Park and Ampol Foodary Austral are the cheapest.

On the Hume Highway to or from Sydney are the Metro Lansdowne and Metro Yagoona.

The Ampol Woolworths Metro Chatswood and 7-Eleven at Artarmon are the most cost-effective on the Pacific Highway.

If you’re heading west, the Great Western Highway’s cheapest spots are the Metro St Marys and APW at Wentworthville.

On Windsor Road, the Coles Express Baulkham Hills and EG Ampol Kellyville Ridge boast the lowest prices.

Petrol prices Sydney
Drivers are urged to check the FuelCheck app before heading off this Christmas. (9News)

When looking at popular holiday destinations across NSW like Byron Bay the cheapest petrol stations are the EG Ampol Byron Bay and the Independent Byron Bay.

If you’re heading out to wine country, the cheapest stations in Mudgee are the Shell Mudgee and Ampol Mudgee.

For south-coast beachgoers, the EG Ampol Batemans Bay and the Independent Batemans Bay are the best options.

In Coffs Harbour, the Mobil Coffs Harbour and North Coast Petroleum Coffs Harbour are the cheapest.

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