How far is Alexandria, VA from Dahlgren, VA?
The driving distance from Alexandria, VA to Dahlgren, VA is about 45.9 miles (73.9 km), with a travel time of about 01h 14m by car.
- The straight-line flight distance is about 32.7 miles (52.7 km).
- For a round trip, plan for roughly 02h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 14m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Alexandria and Dahlgren.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alexandria and Dahlgren.
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1
Start on South Washington Street
23 m · 7 sec · South Washington Street
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2
Turn right onto King Street
96 m · 15 sec · King Street
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3
Turn right onto South Saint Asaph Street
842 ft · 41 sec · South Saint Asaph Street
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4
Turn right onto Duke Street
102 m · 19 sec · Duke Street
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5
Turn left onto South Washington Street
1260 ft · 51 sec · South Washington Street
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6
Turn right onto Gibbon Street
923 ft · 38 sec · Gibbon Street
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7
Turn left onto South Patrick Street
1157 ft · 34 sec · South Patrick Street
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8
Take the exit slight right toward I 95 South, I 495 West, I 95 North, I 495 East: Richmond, Baltimore
133 m · 11 sec
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9
Keep slight left to continue on I 95 North, I 495 East, I 95 South, I 495 West: Baltimore, Richmond
562 ft · 14 sec
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10
Keep slight left to continue on I 95 North, I 495 East: Baltimore
1302 ft · 32 sec
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11
Keep slight right to continue on I 95 North, I 495 East: National Harbor
2154 ft · 53 sec
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12
Merge slight left onto Capital Beltway (Local)
1.8 mi · 3 min · Capital Beltway (Local)
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13
Take the exit slight right toward MD 210 South: Indian Head
783 ft · 19 sec
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14
Continue on MD 210 South: Indian Head
1.1 mi · 2 min
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15
Keep slight left to continue on MD 210 South
1391 ft · 34 sec
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16
Merge slight left onto Indian Head Highway
9.6 mi · 14 min · Indian Head Highway
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17
Continue on Berry Road
3.9 mi · 6 min · Berry Road
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18
Turn right onto Middletown Road
3.1 mi · 6 min · Middletown Road
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19
Enter the roundabout and take exit 2 toward Middletown Road
35 m · 2 sec · Middletown Road
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20
Exit the roundabout onto Middletown Road
1.1 mi · 2 min · Middletown Road
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21
Continue on Turkey Hill Road
2.1 mi · 5 min · Turkey Hill Road
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22
Merge slight left onto Crain Highway
17.7 mi · 25 min · Crain Highway
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23
Continue on James Madison Parkway
1.8 mi · 3 min · James Madison Parkway
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24
Turn left onto Potomac Drive
80 m · 9 sec · Potomac Drive
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25
Continue on Potomac Drive
1.5 mi · 3 min · Potomac Drive
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26
Turn left onto Twelfth Street
30 m · 3 sec · Twelfth Street
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27
Arrive at your destination
0 m · 1 sec · Twelfth Street
Car Route Details
A richer read on the saved driving route between Alexandria and Dahlgren.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Crain Highway
Merge slight left onto Crain Highway
17.7 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Alexandria and Sunny near Dahlgren.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alexandria to Dahlgren?
The road trip is about 45.9 miles (73.9 km) and usually takes 01h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Fort Hunt is a useful midpoint, sitting about 22.9 miles from Alexandria and 22.9 miles from Dahlgren.
How much longer is the road route than the straight-line distance?
The direct path is about 32.7 miles (52.7 km), while the road route adds roughly 13.2 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.42 one way or $12.83 round trip. Estimated CO2 is about 14.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Alexandria and Sunny near Dahlgren.
Stop Ideas Near Fort Hunt
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fort Hunt.
Union Station
Lorton station
Woodbridge station
Washington Union Station
Flight Path Map
This map shows the direct air route between Alexandria and Dahlgren. Straight-line distance: 32.72 mi (52.66 km).
#1 Alexandria
A city in Virginia.
| Population | 158,726 |
| Coordinates | 38.8048400, -77.0469200 |
| Altitude | 12 |
| Country | United States |
#2 Dahlgren
Census-designated place in King George County, Virginia, United States
| Population | 2,653 |
| Coordinates | 38.3312400, -77.0510900 |
| Altitude | 5 |
| Country | United States |
End: Dahlgren (-77.05109, 38.33124)
Estimated Travel Time
Distance: 74 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 31m |
| 40 mph (64.37 km/h) | 01h 08m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $6.42 | $12.83 |
| Mid-grade | $4.43 | $7.17 | $14.35 |
| Premium | $4.78 | $7.74 | $15.48 |
| Diesel | $5.62 | $9.11 | $18.22 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.