National Average Unleaded Gas Prices

August 31, 2026 | $4.06

Month ago average | $3.98

Year ago average | $3.14

Next update: 9.21.2026

Source: AAA Daily Gas Prices Report at gasprices.aaa.com/.
 

How that affects your trip

Drive Time (approximate, one-way)
Round Trip Mileage | Gallons Used | COST 2025 | COST 2026 | DIFFERENCE

Minneapolis to Mount Rushmore | 9 hours
1,282 miles | 64.1 gals. | $204.48 | $261.53 | $57.05

Des Moines to Mount Rushmore | 9 hours, 30 minutes
1,300 miles | 65.0 gals. | $207.35 | $265.20 | $57.85

Milwaukee to Mount Rushmore | 12 hours, 30 minutes
1,731 miles | 86.6 gals. | $276.25 | $353.33 | $77.08

Winnipeg to Mount Rushmore | 12 hours
1,639 miles | 82.0 gals. | $261.58 | $334.56 | $72.98

Omaha to Mount Rushmore | 8 hours
1,108 miles | 55.4 gals. | $176.73 | $226.03 | $49.30

Chicago to Mount Rushmore | 13 hours, 45 minutes
1,878 miles | 93.9 gals. | $299.54 | $383.11 | $83.57

Denver to Mount Rushmore | 6 hours
770 miles | 38.5 gals. | $122.82 | $157.08 | $34.26

Dallas to Mount Rushmore | 16 hours, 45 minutes
2,215 miles | 110.8 gals. | $353.45 | $452.06 | $98.61

Grand Rapids to Mount Rushmore | 16 hours, 30 minutes
2,231 miles | 111.6 gals. | $356.00 | $455.33 | $99.33

Kansas City to Mount Rushmore | 10 hours, 30 minutes
1,463 miles | 73.2 gals. | $233.51 | $298.66 | $65.15

Estimates are based on a vehicle with a 20-gallon gas tank that gets 20 miles to the gallon. Calculations were made using the national averages listed above.