How far is Fairfax, VA from Leesburg, VA?
The driving distance from Fairfax, VA to Leesburg, VA is about 27 miles (43.4 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 23.2 miles (37.3 km).
- For a round trip, plan for roughly 01h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Loudoun County, Virginia, US
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Fairfax and Leesburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fairfax and Leesburg.
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1
Start on Main Street
1 mi · 3 min · Main Street
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2
Continue on Fairfax Boulevard
3046 ft · 1 min · Fairfax Boulevard
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3
Continue on Route 50
6.2 mi · 11 min · Route 50
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4
Take the exit slight right toward VA 28 North: Dulles Airport
2713 ft · 1 min
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5
Merge slight left onto Sully Road
4.4 mi · 6 min · Sully Road
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6
Take the exit slight left toward VA 267 West: Leesburg
1.4 mi · 3 min
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7
Merge slight left onto Dulles Greenway
11.7 mi · 14 min · Dulles Greenway
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8
Keep slight left to continue on US 15 South, VA 7 West: Leesburg
2954 ft · 1 min
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9
Merge slight left onto Leesburg Bypass
1496 ft · 23 sec · Leesburg Bypass
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10
Take the exit slight right toward US 15 Business: Leesburg
852 ft · 23 sec
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11
Turn right onto South King Street
1 mi · 3 min · South King Street
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12
Turn right onto East Market Street
69 m · 8 sec · East Market Street
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13
Arrive at your destination
0 m · 1 sec · East Market Street
Car Route Details
A richer read on the saved driving route between Fairfax and Leesburg.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Dulles Greenway
Merge slight left onto Dulles Greenway
11.7 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Fairfax and Sunny near Leesburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fairfax to Leesburg?
The road trip is about 27 miles (43.4 km) and usually takes 00h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Sterling is a useful midpoint, sitting about 13.9 miles from Fairfax and 13 miles from Leesburg.
How much longer is the road route than the straight-line distance?
The direct path is about 23.2 miles (37.3 km), while the road route adds roughly 3.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.76 one way or $7.53 round trip. Estimated CO2 is about 8.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fairfax and Sunny near Leesburg.
Stop Ideas Near Sterling
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Herndon Old Town Hall
Manassas Park City Hall
Town Hall Pool
Old Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sterling.
Rockville station
Burke Centre
Manassas station
Lorton station
Flight Path Map
This map shows the direct air route between Fairfax and Leesburg. Straight-line distance: 23.18 mi (37.31 km).
#1 Fairfax
Independent city in Virginia, United States
| Population | 23,429 |
| Coordinates | 38.8462200, -77.3063700 |
| Altitude | 131 |
| Country | United States |
#2 Leesburg
Historic town within and the county seat of Loudoun County, Virginia, United States
| Population | 54,488 |
| Coordinates | 39.1156600, -77.5636000 |
| Altitude | 104 |
| Country | United States |
End: East Market Street (-77.563789, 39.115244)
Estimated Travel Time
Distance: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 53m |
| 40 mph (64.37 km/h) | 00h 40m |
| 50 mph (80.47 km/h) | 00h 32m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $3.76 | $7.53 |
| Mid-grade | $4.43 | $4.21 | $8.42 |
| Premium | $4.78 | $4.54 | $9.08 |
| Diesel | $5.62 | $5.34 | $10.69 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Virginia · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.