Flight distance from Chicago to Washington D.C. (Chicago O”Hare International Airport – Ronald Reagan Washington National Airport) is 612 miles / 985 kilometers / 532 nautical miles. Estimated flight time is 1 hour 39 minutes.
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Driving distance from Chicago (ORD) to Washington D.C. (DCA) is 718 miles / 1155 kilometers and travel time by car is about 13 hours 31 minutes.
How far is Washington D.C. from Chicago?
There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:
Vincenty”s formula (applied above)611.819 miles984.627 kilometers531.656 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 formula610.572 miles982.620 kilometers530.573 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).
Time difference and current local times
The time difference between Chicago and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Chicago.
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Chicago time to Washington D.C. time converter
Time in Chicago: 00:00⇆Time in Washington D.C.: 00:00
Carbon dioxide emissions
On average flying from Chicago to Washington D.C. generates about 114 kg of CO2 per passenger, 114 kilograms is equal to 252 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chicago to Washington D.C.
Shortest flight path between Chicago O”Hare International Airport (ORD) and Ronald Reagan Washington National Airport (DCA).
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Airport information
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
Related distances from Chicago (ORD)
| Chicago to Washington D.C. distance (ORD to IAD) |
| Chicago to Baltimore distance (ORD to BWI) |
| Chicago to Salisbury distance (ORD to SBY) |
Popular distances from Chicago (ORD)
| Chicago to Los Angeles distance (ORD to LAX) |
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| Chicago to Dallas distance (ORD to DFW) |
| Chicago to San Francisco distance (ORD to SFO) |
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| Chicago to Orlando distance (ORD to MCO) |
| Chicago to Charlotte distance (ORD to CLT) |
| Chicago to San Diego distance (ORD to SAN) |
| Chicago to Boston distance (ORD to BOS) |
| Chicago to Atlanta distance (ORD to ATL) |
| Chicago to New York distance (ORD to LGA) |
