► SR 267 - Dulles Greenway ► 

Exit SR267: Mile 12.5
Approximate GPS: 38.973623, -77.438363.

 ► Washington Dulles International Airport ► 

Exit IAD: Mile 12.2
Approximate GPS: 38.955523, -77.446595.

 ► SR 28 - Sully Road ► 

Exit 9: Mile 13.3
Approximate GPS: 38.964694, -77.428018.

 ► SR 657 - Centreville Road ► 

Exit 10: Mile 14.7
Approximate GPS: 38.956607, -77.40456.

 ► Herndon-Monroe Park and Ride ► 

Exit 10: Mile 15.9
Approximate GPS: 38.952417, -77.383749.

 ► SR 7100 - Fairfax County Parkway ► 

Exit 11: Mile 16.4
Approximate GPS: 38.952879, -77.373902.

 ► SR 602 - Reston Parkway ► 

Exit 12: Mile 17.4
Approximate GPS: 38.946601, -77.337553.

 ► SR 828 - Wiehle Avenue ► 

Exit 13: Mile 18.4
Approximate GPS: 38.951919, -77.356208.

 ► SR 674 - Hunter Mill Road ► 

Exit 14: Mile 20.3
Approximate GPS: 38.947476, -77.311981.

 ► Trap Road - Wolf Trap National Park ► 

Exit 15: Mile 22.9
Approximate GPS: 38.936232, -77.267674.

 ► SR 7 - Leesburg Pike ► 

Exit 16: Mile 23.7
Approximate GPS: 38.933471, -77.233123.

 ► SR 684 - Spring Hill Road ► 

Exit 17: Mile 24.8
Approximate GPS: 38.933471, -77.233123.

 ► I-495 - Capital Beltway ► 

Exit 18: Mile 25.9
Approximate GPS: 38.931464, -77.211542.

 ► SR 123 - Dolly Madison Blvd ► 

Exit 19: Mile 26.2
Approximate GPS: 38.928595, -77.203647.

 ► I-66 - Custis Parkway ► 

Exit I66: Mile 28.6
Approximate GPS: 38.903648, -77.188523.