Is there a train to DC?

Amtrak's Cardinal runs from Chicago to DC, but you must get to Chicago first.

What is the best airport?

DCA is the most convenient, while IAD is a good alternative for international flights.

How long is the drive?

It takes about 17 hours of driving time, usually split over two days.

No, DC has excellent public transit and parking is very expensive and difficult to find.

Yes, the route is well-traveled, but be prepared for heavy traffic in the DC metro area.

O'Fallon

Washington

Flight Driving

O'Fallon to Washington

Updated: 28 May 2026

The journey from O'Fallon to Washington DC covers approximately 950 miles. You can fly from St. Louis Lambert (STL) to Ronald Reagan Washington National (DCA) in about 2.5 hours. Driving involves taking I-70 East to I-64 East and then I-81 North, crossing the Appalachian Mountains. This is a historic route that takes you through the heart of the American East Coast.

Total Distance: 1,528 km driving, 1,300 km air distance.

Fastest Way

A direct flight from STL to DCA takes 2.5 hours, saving you over 14 hours of travel time.

Cheapest Way

Flying is often the most economical option when considering the high cost of fuel and overnight stays for a 17-hour drive.

Compare O'Fallon to Washington Routes

	Flight Direct	Driving Direct
Duration	2 hours 30 mins	17 hours
Avg Price	$150 - $450	$200 - $350 in fuel
Operator	American Airlines	Personal Vehicle
Route	STL to DCA	I-70 E to I-64 E
Tip	DCA is the most convenient airport for reaching the National Mall and downtown DC.	Be prepared for heavy traffic in the DC metro area during rush hours.

Travel Tips

Public Transit
Use the Metro system to navigate the city; it is clean, efficient, and covers all major tourist areas.
Walking
The National Mall is very large; wear comfortable walking shoes and be prepared for a lot of walking.
Reservations
Book popular attractions like the White House or the Washington Monument well in advance.
Weather
DC can be very hot and humid in the summer; plan your outdoor activities for the morning or evening.
Security
Be prepared for security screenings at all major government buildings and monuments.

Safety Tips

Neighborhoods
Be aware of your surroundings, especially in areas outside of the main tourist zones at night.
Emergency
Keep a list of local emergency numbers and a physical map in your car for driving in the city.
Pedestrian Safety
Be cautious when walking in busy areas; always use crosswalks and obey traffic signals.
Traffic
DC traffic is notoriously bad; use public transit whenever possible to avoid the stress of driving.