How far is Adelphi, MD from Saint Charles, MD?
The driving distance from Adelphi, MD to Saint Charles, MD is about 39.4 miles (63.4 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 27.7 miles (44.6 km).
- For a round trip, plan for roughly 01h 52m 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 00h 56m.
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.
Place in Maryland, USA
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 Adelphi and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Adelphi and Saint Charles.
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1
Start on Riggs Road
596 ft · 14 sec · Riggs Road
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2
Turn left onto Edwards Way
745 ft · 28 sec · Edwards Way
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3
At the end of the road, turn left onto Adelphi Road
3021 ft · 1 min · Adelphi Road
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4
Turn right onto New Hampshire Avenue
1615 ft · 37 sec · New Hampshire Avenue
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5
Take the ramp slight right toward I 495: Northern Virginia, Silver Spring, Baltimore, College Park
798 ft · 20 sec
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6
Keep slight right to continue on I 495 East: Baltimore, College Park
2045 ft · 50 sec
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7
Merge slight left onto Capital Beltway
17.8 mi · 24 min · Capital Beltway
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8
Take the exit slight right toward MD 337: Andrews Air Force Base Main Gate, Morningside
1256 ft · 34 sec
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9
Turn right onto Forestville Road
130 m · 14 sec · Forestville Road
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10
Turn slight right onto MD 337 South
2.2 mi · 5 min
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11
Turn left onto MD 5 South: Waldorf
2410 ft · 40 sec
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12
Merge slight left onto Branch Avenue
8.1 mi · 10 min · Branch Avenue
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13
Merge slight right onto Crain Highway
7.3 mi · 12 min · Crain Highway
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14
Arrive at your destination
0 m · 1 sec · Crain Highway
Car Route Details
A richer read on the saved driving route between Adelphi and Saint Charles.
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.
Capital Beltway
Merge slight left onto Capital Beltway
17.8 mi · 00h 24m
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.
Sunny leaving Adelphi and Sunny near Saint Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Adelphi to Saint Charles?
The road trip is about 39.4 miles (63.4 km) and usually takes 00h 56m 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?
Forestville is a useful midpoint, sitting about 18.9 miles from Adelphi and 20.5 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 27.7 miles (44.6 km), while the road route adds roughly 11.7 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.68 one way or $11.36 round trip. Estimated CO2 is about 12.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Adelphi and Sunny near Saint Charles.
Stop Ideas Near Forestville
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 Forestville.
New Carrollton station
Washington Union Station
Union Station
Lorton station
Flight Path Map
This map shows the direct air route between Adelphi and Saint Charles. Straight-line distance: 27.69 mi (44.57 km).
#1 Adelphi
Census designated place in Prince George's County, Maryland, United States
| Population | 15,086 |
| Coordinates | 39.0031700, -76.9719200 |
| Altitude | 52 |
| 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: 63 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 18m |
| 40 mph (64.37 km/h) | 00h 59m |
| 50 mph (80.47 km/h) | 00h 47m |
| 60 mph (96.56 km/h) | 00h 39m |
| 70 mph (112.65 km/h) | 00h 33m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $5.68 | $11.36 |
| Mid-grade | $4.60 | $6.39 | $12.79 |
| Premium | $4.95 | $6.89 | $13.77 |
| Diesel | $5.98 | $8.31 | $16.62 |
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 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.