Distance between Prospect Hill and St Helens Beach
The distance from Prospect Hill to St Helens Beach is 234 kilometers by road. Road takes approximately 4 hours and 5 minutes and goes through Clairview, Flaggy Rock, Carmila, West Hill, Ilbilbie, Mount Christian and Koumala.
Shortest distance by air | 194 km ✈️ |
Car route length | 234 km 🚗 |
Driving time | 4 h 5 min |
Fuel amount | 18.7 L |
Fuel cost | 30.7 AUD |

Point | Distance | Time | Fuel | |
Prospect Hill | 0 km | 00 min | 0.0 L | |
A1 41 km, 47 min
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Clairview | 41 km | 47 min | 2.8 L | |
A1 19 km, 19 min
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Flaggy Rock | 61 km | 1 h 07 min | 4.7 L | |
A1 8 km, 07 min
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Carmila | 69 km | 1 h 14 min | 5.0 L | |
A1 16 km, 12 min
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West Hill | 85 km | 1 h 27 min | 6.4 L | |
A1 11 km, 08 min
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Ilbilbie | 96 km | 1 h 35 min | 7.2 L | |
A1 10 km, 07 min
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Mount Christian | 107 km | 1 h 43 min | 8.2 L | |
A1 6 km, 05 min
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Koumala | 113 km | 1 h 49 min | 8.9 L | |
A1 11 km, 08 min
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Yukan | 123 km | 1 h 57 min | 9.2 L | |
A1 111 km, 2 h 07 min
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St Helens Beach | 234 km | 4 h 05 min | 18.0 L |
Frequently Asked Questions
How much does it cost to drive from Prospect Hill to St Helens Beach?
Fuel cost: 30.7 AUD
This fuel cost is calculated as: (Route length 234 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.64 AUD / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Prospect Hill to St Helens Beach?
Driving time: 4 h 5 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 98 km with a maximum speed 90 km/h = 1 h 5 min
- 93 km with a maximum speed 80 km/h = 1 h 9 min
- 10 km with a maximum speed 50 km/h = 11 min
- 33 km with a maximum speed 20 km/h = 1 h 37 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Prospect Hill to St Helens Beach by land?
The distance between Prospect Hill and St Helens Beach is 234 km by road.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Prospect Hill and St Helens Beach respectively.
How far is Prospect Hill to St Helens Beach by plane?
The shortest distance (air line, as the crow flies) between Prospect Hill and St Helens Beach is 194 km.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Prospect Hill and St Helens Beach respectively. Actual distance between airports may be different.
How many hours is Prospect Hill from St Helens Beach by plane?
Boeing 737 airliner needs 14 min to cover the distance of 194 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 52 min to flight this distance at average speed of 220 km/h.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Prospect Hill to St Helens Beach?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 48 min to cover the distance of 194 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 55 min to flight this distance at average speed of 210 km/h.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Prospect Hill and St Helens Beach?
The halfway point between Prospect Hill and St Helens Beach is Koumala. It is located about 4 km from the exact midpoint by road.
The distance from Koumala to Prospect Hill is 113 km and driving will take about 1 h 49 min. The road between Koumala and St Helens Beach has length 121 km and will take approximately 2 h 16 min.
The other cities located close to halfway point:
Where is Prospect Hill in relation to St Helens Beach?
Prospect Hill is located 194 km south-east of St Helens Beach.
Prospect Hill has geographic coordinates: latitude -22.47396, longitude 149.49611.
St Helens Beach has geographic coordinates: latitude -20.83443, longitude 148.84501.
Which highway goes from Prospect Hill to St Helens Beach?
The route from Prospect Hill to St Helens Beach follows A1.