How far is Silt, CO from Boulder, CO?
Flight Distance
130.7 mi
210.34 km · 00h 15m flight
Driving Distance
188.01 mi
302.58 km · 03h 15m drive
Gas Cost Calculator
#1 Silt
Human settlement in Garfield County, Colorado, United States of America
| Population | 3,109 |
| Coordinates | 39.5485900, -107.6561700 |
| Altitude | 1663 |
| Country | United States |
#2 Boulder
The most populous city in Boulder County, Colorado. It is located in the foothills of the Rocky Mountains. Boulder is known for its many colleges and universities, its many parks and green spaces, and its many attractions, such as the University of Colorado Boulder and the Boulder Creek Path.
| Population | 107,645 |
| Coordinates | 40.0149900, -105.2705500 |
| Altitude | 1624 |
| Country | United States |
Start: Grand Avenue (-107.65617, 39.548692)
End: (-105.27055, 40.014996)
End: (-105.27055, 40.014996)
Estimated Travel Time
Distance: 303 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 15m |
| 40 mph (64.37 km/h) | 04h 42m |
| 50 mph (80.47 km/h) | 03h 45m |
| 60 mph (96.56 km/h) | 03h 08m |
| 70 mph (112.65 km/h) | 02h 41m |
| 80 mph (129 km/h) | 02h 20m |
Gas Consumption
Fuel needed: 25.11 L (6.63 gal). Cost: $24.52
| Gas | Mid | Prem | Diesel | |
|---|---|---|---|---|
| $/gal | $3.7 | $4.08 | $4.39 | $4.74 |
| Total | $24.52 | $27.08 | $29.11 | $31.41 |
Prices in Colorado · Apr 08, 2026
There is no time difference between Silt and Boulder. The current time is 23:43:52.
Gas Consumption
A car with 8.3 l/100 km efficiency needs 25.11 liters (6.63 gal). Cost: $24.52 (diesel $31.41).
| Gas | Mid | Premium | Diesel | |
|---|---|---|---|---|
| $/Gallon | $3.7 | $4.08 | $4.39 | $4.74 |
| Total | $24.52 | $27.08 | $29.11 | $31.41 |
Prices in Colorado · Apr 08, 2026
Distance to Other Cities
Arvada, CO
173.8 mi (280 km)
02h 53m drive
Aurora, CO
190.1 mi (306 km)
03h 10m drive
Centennial, CO
192.1 mi (309 km)
03h 12m drive
Colorado Springs, CO
242.9 mi (391 km)
04h 02m drive
Denver, CO
176.2 mi (284 km)
02h 56m drive
Lakewood, CO
171.7 mi (276 km)
02h 51m drive
Pueblo, CO
286.5 mi (461 km)
04h 46m drive
Thornton, CO
183.2 mi (295 km)
03h 03m drive
Westminster, CO
178.1 mi (287 km)
02h 58m drive
Fort Collins, CO
236.7 mi (381 km)
03h 56m drive
Greeley, CO
227.6 mi (366 km)
03h 47m drive
How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.