There are several ways to calculate distance from Washington D.C. to Philadelphia. Here are two common methods:
Vincenty's formula (applied above)
- 119.184 miles
- 191.809 kilometers
- 103.568 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula
- 119.058 miles
- 191.605 kilometers
- 103.459 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Washington D.C. to Philadelphia?
Estimated flight time from Ronald Reagan Washington National Airport to Philadelphia International Airport is 43 minutes.
What is the time difference between Washington D.C. and Philadelphia?
There is no time difference between Washington D.C. and Philadelphia.
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Philadelphia International Airport (PHL)
On average flying from Washington D.C. to Philadelphia generates about 43 kg of CO2 per passenger, 43 kilograms is equal to 94 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Philadelphia
Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Philadelphia International Airport (PHL).
Airlines flying from Washington D.C. (DCA) to Philadelphia (PHL)
There are 123.26 miles from Washington to Philadelphia in northeast direction and 136 miles (218.87 kilometers) by car, following the I-95 N route.
Washington and Philadelphia are 2 hours 26 mins far apart, if you drive non-stop .
This is the fastest route from Washington, DC to Philadelphia, PA. The halfway point is Aberdeen, MD.
Washington, DC and Philadelphia, PA are in the same time zone (EDT). Current time in both locations is 6:37 pm.
Any questions or tips to share?
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Gas Consumption and Emissions
A car with a fuel efficiency of MPG will need 5.48 gallons of gas to cover the route between Washington, DC and Philadelphia, PA.
The estimated cost of gas to go from Washington to Philadelphia is $20.81.
During the route, an average car will release 107.31 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.
- Average USA gas price used for calculation is $3.80 per gallon of regular gas. Price last updated on November 24, 2022.
- Read more about our CO2 calculation.
Best Hotels In or Near Philadelphia, PA
Do you have where to stay when you arrive to Philadelphia, PA? Check out our hotel recommendations:
Halfway Point Between Washington, DC and Philadelphia, PA
If you want to meet halfway between Washington, DC and Philadelphia, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.552036 and -76.161911, or 39º 33' 7.3296" N, 76º 9' 42.8796" W. This location is 68.19 miles away from Washington, DC and Philadelphia, PA and it would take approximately 1 hour 13 mins to reach the halfway point from both locations.
Closest City or Town to Halfway Point
The closest town to the halfway point is Aberdeen, MD, situated 69 miles from Washington, DC and 69 miles from Philadelphia, PA. It would take 1 hour 18 mins to go from Washington to Aberdeen and 1 hour 15 mins to go from Philadelphia to Aberdeen.
Major Cities Along the Route
Some major cities along the route include Baltimore, MD, and
Arlington, VA.
Weather in Washington and Philadelphia
Compare the weather today and the next four days in Washington, DC and Philadelphia, PA:
Lowest Price Rental Cars in Washington, DC
Planning on renting a car to go from Washington, DC to Philadelphia, PA? Here there are some offers to rent a car in or near Washington, DC:
Small
From $14
Intermediate
From $18
Full-size
From $24
SUVs
From $28
Vans
From $40
Compare rental car prices in Washington »
Distance conversions
Checkout the distance in miles, kilometers and nautical miles between Washington, DC and Philadelphia, PA in this table:
| Straight line distance | 123.26 mi | 198.37 km | 107.11 nautical mi |
| Driving distance | 136 mi | 219.48 km | 118.51 nautical mi |
Road Trip Tips
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