Origin
North Potomac, MD
Night in North Potomac on Thursday
Local time
10:51 PM
EDT
Current temp
50°F
Unavailable
Live forecast
Trip from North Potomac, MD to Saint Charles, MD
Last recalculated Apr 17, 2026
Drive Time
1h 21m
Distance
54.6 mi
88 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$9
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 16m
★
6 AM
1h 22m
8 AM
1h 35m
10 AM
1h 26m
12 PM
1h 25m
3 PM
1h 27m
5 PM
1h 34m
8 PM
1h 18m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
North Potomac, MD
Mark Stebnicki
Saint Charles, MD
RDNE Stock project
Trip Overview
The drive from North Potomac, MD to Saint Charles, MD covers 54.6 miles and takes about 1h 21m 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, River Road for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 20.8 miles on Capital Beltway. At current regular gas prices, budget about $9.05 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 21m. Total distance: 54.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 21m 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 21m drive with frequent turns across 54.6 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 22 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 20.8 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 10.1 miles in near Cabin John Parkway.
Driving Effort
10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 54.6 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 10.1 miles (Cabin John Parkway): Merge point - match speed before joining. Multiple destination signs - pick the right one; at 10.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 31.2 miles (I 95; I 495 / Capital Beltway (Local)): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 17 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
10.1 mi into trip
|
~19m in
|
Cabin John Parkway
Merge onto Cabin John Parkway toward Glen Echo, Cabin John Parkway
Merge point - match speed before joining. Multiple destination signs - pick the right one
Exit 40
Toward Glen Echo, Cabin John Parkway
6
10.2 mi into trip
|
~19m in
Take the exit toward I 495 South: Northern Virginia, Fairfax
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 495 South: Northern Virginia, Fairfax
8
31.2 mi into trip
|
~45m in
|
I 95; I 495 / Capital Beltway (Local)
Keep slight right at fork onto I 95; I 495 / Capital Beltway (Local) toward I 95, I 495: Alexandria
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 95, I 495: Alexandria
7
35.4 mi into trip
|
~51m in
Take the exit toward MD 210 South: Indian Head
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 3A
Toward MD 210 South: Indian Head
7
36.7 mi into trip
|
~53m in
Keep slight left at fork toward MD 210 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward MD 210 South
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between North Potomac, MD and Saint Charles, MD, road signs point toward Glen Echo and Fairfax.
Glen Echo
10.1 mi in
|
~19m
|
via Cabin John Parkway
Fairfax
10.2 mi in
|
~19m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Capital Beltway | 20.8 mi | 25m |
| Indian Head Highway | 9.6 mi | 13m |
| River Road | 4.9 mi | 9m |
| Capital Beltway (Local) | 4.3 mi | 5m |
| Berry Road | 3.9 mi | 5m |
| Glen Road | 2.2 mi | 3m |
| McDaniel Road | 1.9 mi | 3m |
| Piney Meetinghouse Road | 1.2 mi | 2m |
Longest stretch:
Capital Beltway
— 20.8 mi, about 25m
Turn-by-Turn Driving Directions
Step-by-step road directions between North Potomac, MD and Saint Charles, MD.
1
Start on Query Mill Road
115 ft
·
6 sec
·
Query Mill Road
2
Turn right onto Turkey Foot Road
0.6 mi
·
1 min
·
Turkey Foot Road
3
Continue on Travilah Road
0.9 mi
·
1 min
·
Travilah Road
4
Turn left onto Glen Road
2.2 mi
·
3 min
·
Glen Road
5
Turn right onto Piney Meetinghouse Road
1.2 mi
·
2 min
·
Piney Meetinghouse Road
6
Turn left onto MD 190
4.9 mi
·
9 min
·
River Road
Use the straight lane.
7
Take the ramp
0.3 mi
·
44 sec
Toward I 495 South: Northern Virginia
8
Merge onto Cabin John Parkway
253 ft
·
3 sec
·
Cabin John Parkway
Exit 40
Toward Glen Echo, Cabin John Parkway
9
Take the exit
0.2 mi
·
28 sec
Toward I 495 South: Northern Virginia, Fairfax
10
Merge onto I 495
2.2 mi
·
2 min
·
Capital Beltway
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 495
19 mi
·
23 min
·
Capital Beltway
Use the straight / slight right lanes.
12
Keep slight right at fork onto I 95; I 495
4.3 mi
·
5 min
·
Capital Beltway (Local)
Toward I 95, I 495: Alexandria
Use the slight right lane.
13
Take the exit
0.1 mi
·
19 sec
Exit 3A
Toward MD 210 South: Indian Head
Use the slight right lane.
14
Continue on this road
1.1 mi
·
2 min
·
this road
Exit 3A
Toward MD 210 South: Indian Head
15
Keep slight left at fork
0.3 mi
·
34 sec
Toward MD 210 South
Use the straight / slight right lanes.
16
Merge onto MD 210
9.6 mi
·
13 min
·
Indian Head Highway
Use the left lane.
17
Continue on MD 228
3.9 mi
·
5 min
·
Berry Road
18
Turn right onto Middletown Road
0.3 mi
·
33 sec
·
Middletown Road
Use the right lane.
19
Turn left onto McDaniel Road
1.9 mi
·
3 min
·
McDaniel Road
Use the left lane.
20
At end of road, turn left onto Smallwood Drive West
1.1 mi
·
2 min
·
Smallwood Drive West
Use the left lane.
21
Turn right onto US 301
0.9 mi
·
1 min
·
Crain Highway
22
Arrive at destination
US 301
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 27.3 mi from North Potomac, MD · 40m into the drive
Mid-route town
Meal stop
27 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
Fuel and coffee
A short stop after about 12 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 27.3 miles from North Potomac, MD, which is a good place for a longer meal and fuel stop.
Arriving in Saint Charles, MD
The final approach into Saint Charles, 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
$9.05 one way
$18.10 round trip
$4.21/gal
25.4 MPG avg
19 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $9.91 | $19.83 |
| premium | $4.93 | $10.59 | $21.18 |
| diesel | $5.61 | $12.05 | $24.11 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$9
Estimated CO2 emission: 19.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $6 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 16.4 | 0 | $5.73 | $2.62 |
| Efficient EV | 13.7 | 0 | $4.78 | $2.18 |
| EV Truck/SUV | 21.8 | 0 | $7.64 | $3.49 |
Gas CO2
19 kg
EV CO2
6 kg (68% 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.
Destination
Saint Charles, MD
Night in Saint Charles on Thursday
Local time
10:51 PM
EDT
Current temp
69°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 warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 21m 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 North Potomac, MD to Saint Charles, MD covers 54.6 miles and takes about 1h 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Capital Beltway, Indian Head Highway, River Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 27.3 miles from North Potomac, MD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $9.05 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.
This drive requires moderate attention. Across 54.6 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.
The main spots that need attention: at 10.1 miles (Cabin John Parkway): Merge point - match speed before joining. Multiple destination signs - pick the right one; at 10.2 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 31.2 miles (I 95; I 495 / Capital Beltway (Local)): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between North Potomac, MD and Saint Charles, MD, road signs point toward Glen Echo and Fairfax.
Yes. Nearby national parks include Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail and Monocacy National Battlefield.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Saint Charles, MD
More from North Potomac, MD
More trips to Saint Charles, MD
Explore more options from North Potomac, MD or browse trips ending in Saint Charles, MD.
Looking for more statewide routes? Browse MD road trips.
Explore maps for North Potomac, MD or Saint Charles, MD on MapSof.net.