Distance between Castle Rock CO and Boulder CO
The distance from Castle Rock to Boulder is 92 kilometers by road including 89 kilometers on motorways. Road takes approximately 56 minutes and goes through Denver, Broomfield, Centennial, Greenwood Village, Westminster and Superior.
| Shortest distance by air | 80 km ✈️ |
| Car route length | 92 km 🚗 |
| Driving time | 56 min |
| Fuel amount | 7.4 L |
| Fuel cost | 13.2 AUD |
| Point | Distance | Time | Fuel | |
| Castle Rock | 0 km | 00 min | 0.0 L | |
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I 25 23 km, 13 min
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| Centennial | 23 km | 13 min | 1.7 L | |
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I 25 4 km, 02 min
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| Greenwood Village | 26 km | 15 min | 1.9 L | |
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I 25 15 km, 09 min
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| Denver | 42 km | 25 min | 2.3 L | |
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I 25 US 36 21 km, 12 min
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| Westminster | 62 km | 38 min | 4.9 L | |
|
US 36 9 km, 05 min
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| Broomfield | 72 km | 43 min | 5.4 L | |
|
US 36 Express 8 km, 04 min
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| Superior | 80 km | 48 min | 6.3 L | |
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US 36 Express US 36 12 km, 08 min
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| Boulder | 92 km | 56 min | 6.9 L | |
Hotels of Boulder
Frequently Asked Questions
How much does it cost to drive from Castle Rock to Boulder?
Fuel cost: 13.2 AUD
This fuel cost is calculated as: (Route length 92 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.79 AUD / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Castle Rock to Boulder?
Driving time: 56 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 12 km with a maximum speed 110 km/h = 6 min
- 51 km with a maximum speed 105 km/h = 29 min
- 7 km with a maximum speed 97 km/h = 4 min
- 17 km with a maximum speed 89 km/h = 11 min
- 1 km with a maximum speed 56 km/h = 1 min
- 1 km with a maximum speed 40 km/h = 1 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Castle Rock to Boulder by land?
The distance between Castle Rock and Boulder is 92 km by road including 89 km on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Castle Rock and Boulder respectively.
How far is Castle Rock to Boulder by plane?
The shortest distance (air line, as the crow flies) between Castle Rock and Boulder is 80 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 Castle Rock and Boulder respectively. Actual distance between airports may be different.
How many hours is Castle Rock from Boulder by plane?
Boeing 737 airliner needs 6 min to cover the distance of 80 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 21 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 Castle Rock to Boulder?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 20 min to cover the distance of 80 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 22 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 Castle Rock and Boulder?
Where is Castle Rock in relation to Boulder?
Castle Rock is located 80 km south-east of Boulder.
Castle Rock has geographic coordinates: latitude 39.37266, longitude -104.85843.
Boulder has geographic coordinates: latitude 40.01498, longitude -105.27055.
Which highway goes from Castle Rock to Boulder?
The route from Castle Rock to Boulder follows I 25.
Other minor sections pass along the road:
- US 36: 23 km
- US 36 Express: 10 km
- US 85: 7 km
- US 6: 5 km
- US 87: 3 km
- CO 88: 3 km