Baltimore to Washington Fuel Cost
Driving distance and fuel cost for a trip from Baltimore, MD to Washington, DC: 38.9 miles (62.7 km) one way. Use the calculator below with your own vehicle and fuel price.
Calculator Parameters
This is an estimated default price. Automatic price detection only applies to visitors in the United States. Everyone else can select their own currency and enter a local price below for an accurate result.
Enter total travelers to split gas cost fairly.
Your Calculation Results
Average Consumption (5.5 - 8.5 L/100km)- Total Fuel Needed (for this trip)
- 1.30 US gallons (4.9 liters total)
- Total Fuel Cost (for this trip)
- $1.94
- Cost breakdown per distance unit
- $0.050 per mile • $0.031 per km
Fuel economy in every unit
- L/100km
- 7.8
- MPG US
- 30.0
- MPG UK
- 36.0
- km/L
- 12.8
Cost by vehicle type
One way trip cost at $1.50 per US gallon (placeholder price), using one representative vehicle from each category in the 30 vehicle dataset tracked on this site.
| Category | Vehicle | Combined | Fuel needed | Cost |
|---|---|---|---|---|
| Economy | Hyundai Elantra | 34 MPG | 1.1 US gallons | $1.72 |
| Midsize Sedan | Nissan Altima | 31 MPG | 1.3 US gallons | $1.88 |
| Compact SUV | Toyota RAV4 | 30 MPG | 1.3 US gallons | $1.94 |
| Midsize SUV | Chevrolet Traverse | 23 MPG | 1.7 US gallons | $2.54 |
| Truck | Ford F-150 | 21 MPG | 1.9 US gallons | $2.78 |
| Hybrid | Honda CR-V Hybrid | 40 MPG | 1.0 US gallons | $1.46 |
| Electric | Tesla Model Y | 120 MPGe | 0.3 US gallons | $0.49 |
About this route & highway corridor
At 38.9 miles (62.7 km) and approximately 1.0 hours of continuous driving via Interstate 95 North or the Baltimore-Washington Parkway (MD-295), the drive from Baltimore to Washington is a short regional trip suitable for daily commutes or day visits. Road conditions alternate between city streets and open interstate, so real-world fuel economy typically balances between your vehicle's city and highway ratings.
Traveling south toward Washington DC, fuel prices are relatively consistent between Baltimore and DC suburbs. Avoid peak morning commute hours (7 AM - 9:30 AM) to preserve fuel mileage. This route traverses Flat urban and suburban corridor with frequent severe commuter rush-hour congestion.. Toll considerations: Toll-free on I-95 standard lanes and BW Parkway; optional I-95 Express Toll Lanes.
This trip crosses state lines from MD into DC. Fuel taxes and wholesale supply costs can shift pump prices by 40 to 80 cents per gallon between states. Comparing regional fuel price benchmarks before departure allows you to plan your major fill-ups where prices are lowest. Suburban stations in Laurel, Columbia, and Hanover offer lower prices than downtown stations in DC or Baltimore.
With a total distance of 39 miles, almost all modern passenger cars and SUVs can cover the Baltimore to Washington route on a single full tank of fuel.
Most standard passenger vehicles can complete the full Baltimore to Washington trip on less than half a tank of fuel. Planning fuel stops in advance is rarely necessary unless you begin with an empty tank.
Distance and driving time source: OpenStreetMap Nominatim geocoding and OSRM driving routing. Last updated July 24, 2026.
Gas Prices & Fuel Planning for Baltimore to Washington
Fuel prices vary along this driving corridor. Check current average fuel benchmarks at both ends of your trip to plan the most economical fill-ups:
Specialized Fuel Calculators for This Trip
Reverse route
Washington to Baltimore Trip CostFrequently asked questions
The standard highway driving route from Baltimore to Washington covers 38.9 miles (62.7 km) and takes approximately 1.0 hours in typical traffic conditions, traveling primarily via Interstate 95 North or the Baltimore-Washington Parkway (MD-295).
Divide the trip distance of 38.9 miles by your car's combined MPG rating to find the gallons of fuel required, then multiply by the average pump price along your route. For example, a 30 MPG vehicle will burn roughly 1.3 gallons of fuel.
Toll-free on I-95 standard lanes and BW Parkway; optional I-95 Express Toll Lanes. Terrain notes: Flat urban and suburban corridor with frequent severe commuter rush-hour congestion..
Suburban stations in Laurel, Columbia, and Hanover offer lower prices than downtown stations in DC or Baltimore.
With a total distance of 39 miles, almost all modern passenger cars and SUVs can cover the Baltimore to Washington route on a single full tank of fuel.
The physical road distance is identical in both directions. However, fuel costs may vary depending on where you purchase gas, as state fuel tax rates and prevailing winds (such as headwinds when driving west) can slightly influence consumption and spending.