The cost of driving from Baltimore/Washington International Thurgood Marshall Airport to Washington, District of Columbia is:

$3.74 one-way / $7.48 round trip

Rooms:     Travelers:
reverse locations

  U.S. International
Distance: miles km
Gas mileage: mpg L/100 km
Fuel grade:
Gasoline price: (US Dollars/gallon) (cents/litre)
Gas consumption: gallons litres
TOTAL COST: one-way (USD) round trip (USD)

Route to drive from BWI to Washington, DC

Click here to show map

Drag the line on the map to calculate the cost of driving for a different route.

If you want to verify these driving directions or look for another possible route, you can try
Google Maps, Bing Maps, or MapQuest.

More trip calculations

rent a car for a road trip

Road trip planner

The total cost of driving from BWI to Washington, DC (one-way) is $3.74 at current gas prices.

The round trip cost would be $7.48 to go from BWI to Washington, DC and back to BWI again.

Regular fuel costs are around $2.67 per gallon for your trip. This calculation assumes that your vehicle gets an average gas mileage of 25 mpg for a mix of city and highway driving.

All currency units are U.S. Dollars. If you prefer international units, the equivalent petrol pump price is 70.5 cents/litre. This assumes a typical fuel economy of 9.4 L/100 km.

You'll go through 1.4 gallons of gas during this trip. This is equal to 5.3 litres.

If you fill your tank with unleaded gasoline, the carbon emissions will be around 27 lbs CO2. This is equivalent to 12 kg CO2e or 0.01 tonnes of carbon dioxide equivalents. These numbers may change depending on the exact make and model of your car. If your vehicle uses diesel instead, the CO2 emissions will be around 32 lbs CO2, which is equivalent to 15 kg CO2e or 0.01 tonnes of carbon dioxide equivalents.

These results are based on the actual driving distance from BWI to Washington, DC, which is 35 miles or 56 kilometers.

Your trip begins at Baltimore/Washington International Thurgood Marshall Airport in Baltimore, Maryland. The price of regular gas is currently averaging $2.56 in Maryland.

Your trip ends in Washington, District of Columbia. The price of regular gas is around $2.79 in District of Columbia.

Gas prices were last updated on Wednesday, February 21st, 2018. Currently, we only have exact data for locations in the United States. To improve the accuracy of your fuel cost estimate, you can enter the actual price you pay for gas or petrol at the local pump in the table above.

fuel costs

The following chart displays the difference in total cost of driving given varying fuel grades. If your car requires higher octane gas, you can find out how much more it will cost you to drive between BWI and Washington, DC.

Fuel grade   Avg Price   Trip Cost
Regular $2.67 $3.74
Mid-Grade $3.04 $4.26
Premium $3.25 $4.56
Diesel $3.00 $4.20

Baltimore/Washington International Thurgood Marshall Airport

City: Baltimore
State: Maryland
Zip code: 21240
Country: United States
Category: airports
Average gas price in Maryland: $2.56

Washington, District of Columbia

City: Washington
State: District of Columbia
Country: United States
Category: cities
Average gas price in District of Columbia: $2.79

Cost of driving

Travelmath provides an online driving cost calculator to help you determine how much you'll spend on gas for your next road trip. You can enter airports, cities, states, countries, or zip codes to compute the cost of driving between locations. Driving distances are calculated using actual driving directions if they are available, or a GPS-accurate method for the straight line distance. Automatic estimates are provided for local gas prices and vehicle fuel efficiency in miles per gallon (mpg) or liters per 100 kilometers (L/100 km), based on the make and model of your car, SUV, or minivan. Don't let the economy and rising oil prices stop you from taking your next trip. You can use this tool to find out if it's cheaper to fly or drive to your destination.