How far is Green Valley, MD from Saint Charles, MD?
The driving distance from Green Valley, MD to Saint Charles, MD is about 71.8 miles (115.5 km), with a travel time of about 01h 29m by car.
- The straight-line flight distance is about 52.4 miles (84.4 km).
- For a round trip, plan for roughly 02h 58m 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 29m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Green Valley and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Green Valley and Saint Charles.
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1
Start on the route
60 m · 16 sec
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2
Turn right
15 m · 9 sec
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3
Turn left onto Prices Distillery Road
37 m · 12 sec · Prices Distillery Road
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4
Turn left onto Green Valley Road
1.7 mi · 3 min · Green Valley Road
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5
At the end of the road, turn left onto Urbana Pike
1181 ft · 20 sec · Urbana Pike
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6
Continue on Frederick Road
2074 ft · 39 sec · Frederick Road
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7
Turn right onto Old Hundred Road
3159 ft · 1 min · Old Hundred Road
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8
Take the ramp left toward I 270 South: Washington
1134 ft · 30 sec
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9
Merge slight left onto Eisenhower Memorial Highway
12.8 mi · 17 min · Eisenhower Memorial Highway
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10
Keep slight left
6.6 mi · 9 min
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11
Keep slight left to continue on I 270 South: Silver Spring, College Park
2.8 mi · 4 min
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12
Merge slight right onto Capital Beltway
25.7 mi · 34 min · Capital Beltway
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13
Take the exit slight right toward MD 337: Andrews Air Force Base Main Gate, Morningside
1256 ft · 34 sec
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14
Turn right onto Forestville Road
130 m · 12 sec · Forestville Road
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15
Turn slight right onto MD 337 South
2.2 mi · 5 min
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16
Turn left onto MD 5 South: Waldorf
2410 ft · 40 sec
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17
Merge slight left onto Branch Avenue
8.1 mi · 10 min · Branch Avenue
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18
Merge slight right onto Crain Highway
7.3 mi · 12 min · Crain Highway
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19
Arrive at your destination
0 m · 1 sec · Crain Highway
Car Route Details
A richer read on the saved driving route between Green Valley and Saint Charles.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Capital Beltway
Merge slight right onto Capital Beltway
25.7 mi · 00h 34m
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.
Rain Showers leaving Green Valley and Showers And Thunderstorms near Saint Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Green Valley to Saint Charles?
The road trip is about 71.8 miles (115.5 km) and usually takes 01h 29m 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?
Hillandale is a useful midpoint, sitting about 34.7 miles from Green Valley and 37 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 52.4 miles (84.4 km), while the road route adds roughly 19.4 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 3:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.34 one way or $20.68 round trip. Estimated CO2 is about 22.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Green Valley and Showers And Thunderstorms near Saint Charles.
Stop Ideas Near Hillandale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
THEARC: Town Hall Education Arts Recreation Campus
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hillandale.
New Carrollton station
Washington Union Station
Rockville station
Union Station
Flight Path Map
This map shows the direct air route between Green Valley and Saint Charles. Straight-line distance: 52.46 mi (84.42 km).
#1 Green Valley
Town in Frederick County, Maryland, United States
| Population | 12,262 |
| Coordinates | 39.3092700, -77.2972100 |
| Altitude | 121 |
| Country | United States |
#2 Saint Charles
City in St.
| Population | 36,376 |
| Coordinates | 38.6031700, -76.9385800 |
| Altitude | 61 |
| Country | United States |
End: US 301 (-76.935986, 38.601566)
Estimated Travel Time
Distance: 115 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 47m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $10.34 | $20.68 |
| Mid-grade | $4.60 | $11.64 | $23.27 |
| Premium | $4.95 | $12.53 | $25.07 |
| Diesel | $5.98 | $15.13 | $30.26 |
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 Maryland · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.