Trip from Saint Charles, MD to North Potomac, MD

Last recalculated Apr 16, 2026

Drive Time

1h 23m

Distance

55.6 mi

89 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

one way

EV Charging

Unknown

Best Time to Leave

Save up to 19 min

4 AM

1h 17m ★

6 AM

1h 23m

8 AM

1h 36m

10 AM

1h 28m

12 PM

1h 26m

3 PM

1h 28m

5 PM

1h 35m

8 PM

1h 19m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly

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Saint Charles, MD

RDNE Stock project

North Potomac, MD

Mark Stebnicki

Trip Overview

The drive from Saint Charles, MD to North Potomac, MD covers 55.6 miles and takes about 1h 23m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Capital Beltway, Indian Head Highway, Capital Beltway (Thru) for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 17.4 miles on Capital Beltway. At current regular gas prices, budget about $9.22 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 23m. Total distance: 55.6 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 23m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Turn-heavy local drive route profile with national parks nearby.

Drive Character

Expect a 1h 23m drive with frequent turns across 55.6 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

There are about 23 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

Capital Beltway is the longest continuous segment at about 17.4 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 18.3 miles in.

Driving Effort 9/10

Demanding - stay alert through the decision-heavy sections

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 55.6 miles you will encounter 17 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 18.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 18.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 18.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 17 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

18.3 mi into trip | ~28m in

Take the exit toward I 95, I 495: Richmond, Baltimore

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 95, I 495: Richmond, Baltimore

18.5 mi into trip | ~29m in

Keep slight left at fork toward I 95 South, I 495 South, I 295 North: Washington, Richmond

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left lane. Toward I 95 South, I 495 South, I 295 North: Wa...

18.7 mi into trip | ~29m in

Keep slight right at fork toward I 95 South, I 495 South: Richmond

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Toward I 95 South, I 495 South: Richmond

44.8 mi into trip | ~1h 2m in

Take the exit toward MD 190: Washington, Potomac

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 39 Toward MD 190: Washington, Potomac

45.2 mi into trip | ~1h 3m in

Keep slight left at fork toward MD 190 West: River Road, Potomac

Highway fork - watch signs carefully. Multiple destination signs - pick the right one

Exit 39A Toward MD 190 West: River Road, Potomac

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Saint Charles, MD and North Potomac, MD, road signs point toward Baltimore, Richmond and Potomac.

Baltimore

18.3 mi in | ~28m

Richmond

18.5 mi in | ~29m

Potomac

44.8 mi in | ~1h 2m

Main Roads

Road	Distance	Duration
Capital Beltway	17.4 mi	20m
Indian Head Highway	9.5 mi	13m
Capital Beltway (Thru)	8 mi	10m
River Road	5.1 mi	9m
Berry Road	3.9 mi	6m
Glen Road	2.2 mi	3m
McDaniel Road	1.9 mi	3m
Crain Highway	1.6 mi	2m

Longest stretch: Capital Beltway — 17.4 mi, about 20m

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Charles, MD and North Potomac, MD.

Start on US 301

0.3 mi · 29 sec · Crain Highway

Continue on US 301

1.3 mi · 2 min · Crain Highway

Turn left onto Smallwood Drive West

1.2 mi · 2 min · Smallwood Drive West

Use the left lane.

Turn right onto McDaniel Road

1.9 mi · 3 min · McDaniel Road

Turn right onto Middletown Road

0.3 mi · 30 sec · Middletown Road

Turn left onto MD 228

3.9 mi · 6 min · Berry Road

Continue on MD 210

9.5 mi · 13 min · Indian Head Highway

Use the straight / slight right lanes.

Take the exit

0.2 mi · 28 sec

Toward I 95, I 495: Richmond, Baltimore Use the straight / slight right lanes.

Keep slight left at fork

0.2 mi · 27 sec

Toward I 95 South, I 495 South, I 295 North: Washington, Richmond Use the slight left lane.

Keep slight right at fork

0.7 mi · 1 min

Toward I 95 South, I 495 South: Richmond Use the slight left / slight right lanes.

Merge onto I 95; I 495

8.0 mi · 10 min · Capital Beltway (Thru)

Keep slight right at fork onto I 495

0.7 mi · 47 sec · Capital Beltway

Use the straight lane.

Continue on I 495

2.4 mi · 2 min · Capital Beltway

Exit 170A Toward I 495 North: Tysons Corner Use the straight / slight right lanes.

Keep slight right at fork onto I 495

14 mi · 17 min · Capital Beltway

Use the straight lane.

Take the exit

0.4 mi · 48 sec

Exit 39 Toward MD 190: Washington, Potomac Use the slight right lane.

Keep slight left at fork

0.4 mi · 49 sec

Exit 39A Toward MD 190 West: River Road, Potomac

Turn straight onto MD 190

5.1 mi · 9 min · River Road

Turn right onto Piney Meetinghouse Road

1.2 mi · 2 min · Piney Meetinghouse Road

Turn left onto Glen Road

2.2 mi · 3 min · Glen Road

Turn right onto Travilah Road

0.9 mi · 1 min · Travilah Road

Continue on Turkey Foot Road

0.6 mi · 1 min · Turkey Foot Road

Turn left onto Query Mill Road

115 ft · 3 sec · Query Mill Road

Arrive at destination

Query Mill Road

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 27.8 mi from Saint Charles, MD · 42m into the drive

Mid-route town

Meal stop

Lake Barcroft, VA

28 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Waldorf, MD

Fuel and coffee

A short stop after about 12 miles helps settle the day before fatigue starts building.

Lake Barcroft, VA

Meal break

The midpoint is around 27.8 miles from Saint Charles, MD, which is a good place for a longer meal and fuel stop.

Arriving in North Potomac, MD

The final approach into North Potomac, MD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$9.22 one way

$18.44 round trip

$4.21/gal 25.4 MPG avg 20 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.61	$10.10	$20.19
premium	$4.93	$10.78	$21.57
diesel	$5.61	$12.28	$24.55

No toll roads detected on this route.

Drive Cost (one way)

Fuel

Estimated CO2 emission: 19.5 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $6 in charging · 0 stops · 63% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	16.7	$5.84	$2.67
Efficient EV	13.9	$4.87	$2.22
EV Truck/SUV	22.2	$7.78	$3.56

Gas CO2

19 kg

EV CO2

7 kg (63% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Saint Charles, MD

Evening in Saint Charles on Thursday

Local time

6:06 PM

EDT

Current temp

69°F

Unavailable

Live forecast

Destination

North Potomac, MD

Evening in North Potomac on Thursday

Local time

6:06 PM

EDT

Current temp

50°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

19 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

1h 23m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Saint Charles, MD to North Potomac, MD covers 55.6 miles and takes about 1h 23m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Capital Beltway, Indian Head Highway, Capital Beltway (Thru). Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 27.8 miles from Saint Charles, MD. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $9.22 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

Between Saint Charles, MD and North Potomac, MD, road signs point toward Baltimore, Richmond and Potomac.

Yes. Nearby national parks include Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield.

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