How far is Arlington, VA from South Riding, VA?
The driving distance from Arlington, VA to South Riding, VA is about 24 miles (38.7 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 21.7 miles (34.9 km).
- For a round trip, plan for roughly 01h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
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 38m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated community in Virginia
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Arlington and South Riding.
Turn-by-Turn Driving Directions
Step-by-step road directions between Arlington and South Riding.
-
1
Start on Wilson Boulevard
2828 ft · 2 min · Wilson Boulevard
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2
Turn slight right onto North Glebe Road
936 ft · 31 sec · North Glebe Road
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3
Turn left onto Fairfax Drive
667 ft · 28 sec · Fairfax Drive
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4
Continue on I 66 Toll West
2423 ft · 1 min
-
5
Merge slight left onto Custis Memorial Parkway
3.3 mi · 4 min · Custis Memorial Parkway
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6
Keep slight left to continue on Custis Memorial Parkway
9.3 mi · 12 min · Custis Memorial Parkway
-
7
Take the exit slight right toward US 50 West: Fair Oaks, Winchester
1.3 km · 2 min
-
8
Turn straight onto US 50 West
90 m · 8 sec
-
9
Keep slight left to continue on US 50 West
54 m · 5 sec
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10
Merge slight left onto Route 50
7.1 mi · 12 min · Route 50
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11
Continue on Little River Turnpike
1.9 mi · 3 min · Little River Turnpike
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12
Turn left onto South Riding Boulevard
30 m · 5 sec · South Riding Boulevard
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13
Continue on South Riding Boulevard
692 ft · 24 sec · South Riding Boulevard
-
14
Turn left onto Defender Drive
669 ft · 31 sec · Defender Drive
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15
Turn right
10 m · 3 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Arlington and South Riding.
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.
Custis Memorial Parkway
Keep slight left to continue on Custis Memorial Parkway
9.26 mi · 00h 12m
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 Arlington and Sunny near South Riding.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Arlington to South Riding?
The road trip is about 24 miles (38.7 km) and usually takes 00h 38m 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?
Oakton is a useful midpoint, sitting about 12 miles from Arlington and 12.1 miles from South Riding.
How much longer is the road route than the straight-line distance?
The direct path is about 21.7 miles (34.9 km), while the road route adds roughly 2.3 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 EST. If you want a more comfortable same-day return, try to leave by 7:12 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.28 one way or $6.56 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Arlington and Sunny near South Riding.
Stop Ideas Near Oakton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Herndon Old Town Hall
Tele-Town Hall
Alexandria City Hall
Town Hall Pool
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Oakton.
Burke Centre
Lorton station
Manassas station
Union Station
Flight Path Map
This map shows the direct air route between Arlington and South Riding. Straight-line distance: 21.66 mi (34.86 km).
#1 Arlington
A county in Virginia.
| Population | 229,164 |
| Coordinates | 38.8810100, -77.1042800 |
| Altitude | 71 |
| Country | United States |
#2 South Riding
South Riding is a place in Virginia, United States.
| Population | 0 |
| Coordinates | 38.9209400, -77.5038800 |
| Altitude | 98 |
| Country | United States |
End: South Riding (-77.50388, 38.92094)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $3.28 | $6.56 |
| Mid-grade | $4.35 | $3.70 | $7.40 |
| Premium | $4.77 | $4.05 | $8.11 |
| Diesel | $6.16 | $5.23 | $10.47 |
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 · Nov 09, 2026