From Arlington:

Take 395 to the 14th St Bridge. Follow signs for 295 South

Take 295 south past Bolling Air Force base and stay in the far left lane

295 will come to an end. Keep staying to the left and follow the sign for 210/Indian Head Highway.

Once on 210/Indian Head Highway make a left at the 4th traffic light (Old Fort Rd.)

Go up the hill to the stop sign (Allentown Rd.) and turn left.

Go exactly 1 mile, you will see a small green sign for the airport on your right, and make a right turn onto Rose Valley Drive.

Go 2 short blocks, you will see another small green sign for the airport on your right, and make a right onto Glen Way.

Follow Glen Way through the residential area and it will lead you to the airport.

From Alexandria:

Take the Woodrow Wilson Bridge.  Once across the bridge take the first exit and keep staying on your right.  This is the Indian head exit.

Once on 210/Indian Head Highway make a left at the 4th traffic light (Old Fort Rd.)

Go up the hill to the stop sign (Allentown Rd.) and turn left.

Go exactly 1 mile, you will see a small green sign for the airport on your right, and make a right turn onto Rose Valley Drive.

Go 2 short blocks, you will see another small green sign for the airport on your right, and make a right onto Glen Way.

Follow Glen Way through the residential area and it will lead you to the airport.

From DC:

Get on 295 South

Take 295 south past Bolling Air Force base and stay in the far left lane

295 will come to an end. Keep staying to the left and follow the sign for 210/Indian Head Highway.

Once on 210/Indian Head Highway make a left at the 4th traffic light (Old Fort Rd.)

Go up the hill to the stop sign (Allentown Rd.) and turn left.

Go exactly 1 mile, you will see a small green sign for the airport on your right, and make a right turn onto Rose Valley Drive.

Go 2 short blocks, you will see another small green sign for the airport on your right, and make a right onto Glen Way.

Follow Glen Way through the residential area and it will lead you to the airport.