How far is Millicent from Adelaide?

It is approximately 415 kilometers.

Are there caves near Millicent?

Yes, Tantanoola Caves are very close.

Is there a bus to Millicent?

Yes, but it usually requires a transfer in Mount Gambier.

What is the best time to visit?

Summer is great for the coast, while autumn is mild.

Can I fly to Millicent?

No, the nearest airport is in Mount Gambier.

Rosslyn Park

Millicent

Bus Driving

Rosslyn Park to Millicent

Updated: 30 May 2026

The journey from Rosslyn Park to Millicent spans 415 kilometers, taking you deep into the Limestone Coast. You will travel via the A8 Dukes Highway and then transition to the A66 Riddoch Highway. The drive typically takes 5 hours, passing through scenic rural landscapes and coastal towns. Millicent is known for its rich history and proximity to the Tantanoola Caves. This route is ideal for those exploring the southern part of South Australia.

Total Distance: 415 km driving distance; 360 km straight-line air distance.

Fastest Way

Driving via the A8 and A66 highways takes 5 hours.

Cheapest Way

Driving is the most cost-effective for groups.

Compare Rosslyn Park to Millicent Routes

	Bus Connecting	Driving Direct
Duration	6 hours 30 mins	5 hours
Avg Price	80-100 AUD	75-95 AUD in fuel
Operator	Firefly Express	N/A
Route	Adelaide to Mount Gambier, then local transfer.	A8 Dukes Highway to A66 Riddoch Highway.
Tip	Check connections carefully as services are limited.	The road is generally flat and easy to navigate.

Travel Tips

Fuel
Fill up in larger towns like Keith or Naracoorte to ensure consistent supply.
Road Conditions
The Riddoch Highway is well-maintained but watch for local traffic.
Accommodation
Millicent offers several comfortable motels and hotels.
Dining
Try the local bakeries for fresh pies and pastries.
Navigation
Use a GPS but keep a paper map as a backup for rural areas.