How far is Roanoke, VA from Dahlgren, VA?
The driving distance from Roanoke, VA to Dahlgren, VA is about 217.7 miles (350.3 km), with a travel time of about 04h 35m by car.
- The straight-line flight distance is about 174 miles (280 km).
- For a round trip, plan for roughly 09h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 35m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
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 Roanoke and Dahlgren.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roanoke and Dahlgren.
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1
Start on the route
87 m · 26 sec
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2
Turn left onto 1st Street Southwest
602 ft · 34 sec · 1st Street Southwest
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3
Turn sharp left onto Franklin Road Southwest
1304 ft · 27 sec · Franklin Road Southwest
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4
Turn left onto Williamson Road Southeast
990 ft · 36 sec · Williamson Road Southeast
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5
Continue on Williamson Road Northeast
1625 ft · 49 sec · Williamson Road Northeast
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6
Take the ramp slight right toward I 581 North, US 220 North: Lexington, Bristol
878 ft · 36 sec
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7
Merge slight left
5.6 mi · 8 min
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8
Keep slight right to continue on I 81 North, US 220 North: Lexington
13.1 mi · 15 min
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9
Continue straight
64.7 mi · 1 hr 10 min
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10
Keep slight right to continue on I 64 East: Richmond
55.7 mi · 1 hr 1 min
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11
Take the exit slight right toward VA 208: Louisa, Ferncliff
2024 ft · 57 sec
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12
Turn left onto Courthouse Road
8.8 mi · 13 min · Courthouse Road
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13
Turn left onto East Main Street
834 ft · 21 sec · East Main Street
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14
Turn right onto Fredericksburg Avenue
2075 ft · 1 min · Fredericksburg Avenue
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15
Continue on Bibb Store Road
5.9 mi · 8 min · Bibb Store Road
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16
At the end of the road, turn right onto Goldmine Road
1.7 mi · 3 min · Goldmine Road
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17
Continue on Mansfield Road
2.8 mi · 5 min · Mansfield Road
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18
At the end of the road, turn left onto Zachary Taylor Highway
90 m · 6 sec · Zachary Taylor Highway
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19
Turn right
33 m · 3 sec
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20
Turn right onto New Bridge Road
3.8 mi · 6 min · New Bridge Road
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21
Continue on Courthouse Road
12 mi · 16 min · Courthouse Road
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22
Continue on Lake Anna Parkway
4 mi · 6 min · Lake Anna Parkway
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23
Continue on Courthouse Bypass
1.5 km · 1 min · Courthouse Bypass
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24
Continue on Courthouse Road
5.9 mi · 10 min · Courthouse Road
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25
Continue on Lafayette Boulevard
2.7 mi · 5 min · Lafayette Boulevard
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26
Enter the roundabout and take exit 2 toward Lafayette Boulevard
19 m · 1 sec · Lafayette Boulevard
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27
Exit the rotary onto Lafayette Boulevard
774 ft · 26 sec · Lafayette Boulevard
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28
Turn right onto Blue and Gray Parkway
16.8 mi · 24 min · Blue and Gray Parkway
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29
Turn left onto Dahlgren Road
10.7 mi · 17 min · Dahlgren Road
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30
Turn slight right onto Potomac Drive
1788 ft · 1 min · Potomac Drive
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31
Turn left onto Twelfth Street
30 m · 3 sec · Twelfth Street
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32
Arrive at your destination
0 m · 1 sec · Twelfth Street
Car Route Details
A richer read on the saved driving route between Roanoke 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.
I 81 North
Continue straight
64.7 mi · 01h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Roanoke and Sunny near Dahlgren.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roanoke to Dahlgren?
The road trip is about 217.7 miles (350.3 km) and usually takes 04h 35m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Crozet is a useful midpoint, sitting about 108.7 miles from Roanoke and 108.9 miles from Dahlgren.
How much longer is the road route than the straight-line distance?
The direct path is about 174 miles (280 km), while the road route adds roughly 43.7 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 7:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.42 one way or $60.84 round trip. Estimated CO2 is about 68.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Roanoke and Sunny near Dahlgren.
Stop Ideas Near Crozet
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 Crozet.
Charlottesville Union Station
Staunton station
Culpeper station
Kemper Street station
Flight Path Map
This map shows the direct air route between Roanoke and Dahlgren. Straight-line distance: 173.96 mi (279.96 km).
#1 Roanoke
The most populous city in Roanoke County, Virginia.
| Population | 99,058 |
| Coordinates | 37.2709700, -79.9414300 |
| Altitude | 285 |
| 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: 350 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 15m |
| 40 mph (64.37 km/h) | 05h 26m |
| 50 mph (80.47 km/h) | 04h 21m |
| 60 mph (96.56 km/h) | 03h 37m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $30.42 | $60.84 |
| Mid-grade | $4.43 | $34.01 | $68.03 |
| Premium | $4.78 | $36.70 | $73.39 |
| Diesel | $5.62 | $43.19 | $86.38 |
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.