How far is Ilchester, MD from Gaithersburg, MD?
The driving distance from Ilchester, MD to Gaithersburg, MD is about 35.3 miles (56.8 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 24.5 miles (39.5 km).
- For a round trip, plan for roughly 01h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Unincorporated area in Montgomery and Prince George's County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Ilchester and Gaithersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ilchester and Gaithersburg.
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1
Start on the route
104 m · 38 sec
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2
Turn slight right onto Ilchester Road
2.4 mi · 6 min · Ilchester Road
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3
Turn left onto Montgomery Road
1 mi · 2 min · Montgomery Road
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4
Continue on Meadowridge Road
1781 ft · 38 sec · Meadowridge Road
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5
Enter the roundabout and take exit 2 toward Meadowridge Road
28 m · 2 sec · Meadowridge Road
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6
Exit the roundabout onto Meadowridge Road
113 m · 7 sec · Meadowridge Road
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7
Enter the roundabout and take exit 2 toward MD 100 East: Glen Burnie
55 m · 4 sec
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8
Exit the roundabout onto MD 100 East: Glen Burnie
892 ft · 22 sec
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9
Merge slight left
2941 ft · 46 sec
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10
Take the exit slight right toward I 95 South: Washington
1 km · 1 min
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11
Merge slight left
10.6 mi · 12 min
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12
Take the exit slight right toward MD 200 Toll West
1.5 km · 1 min
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13
Merge slight left onto Intercounty Connector
9.5 mi · 12 min · Intercounty Connector
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14
Continue on Intercounty Connector
6.2 mi · 8 min · Intercounty Connector
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15
Continue straight
2718 ft · 41 sec
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16
Take the exit slight right toward MD 355: Rockville, Gaithersburg
1906 ft · 47 sec
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17
Turn right onto Frederick Road
1160 ft · 27 sec · Frederick Road
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18
Continue on South Frederick Avenue
1.6 mi · 3 min · South Frederick Avenue
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19
Turn left
26 m · 6 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ilchester and Gaithersburg.
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.
I 95 South
Merge slight left
10.6 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Rain Showers Likely leaving Ilchester and Chance Rain Showers near Gaithersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ilchester to Gaithersburg?
The road trip is about 35.3 miles (56.8 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Calverton is a useful midpoint, sitting about 17.6 miles from Ilchester and 17.6 miles from Gaithersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 24.5 miles (39.5 km), while the road route adds roughly 10.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.26 one way or $10.52 round trip. Estimated CO2 is about 11 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Ilchester and Chance Rain Showers near Gaithersburg.
Stop Ideas Near Calverton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
United States Capitol
D C Government
The John Wilson Building
Town Hall Liquor And Bar
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Calverton.
New Carrollton station
Rockville station
Washington Union Station
BWI Rail Station
Flight Path Map
This map shows the direct air route between Ilchester and Gaithersburg. Straight-line distance: 24.53 mi (39.48 km).
#1 Ilchester
Ilchester is a place in Maryland, United States.
| Population | 0 |
| Coordinates | 39.2509400, -76.7646900 |
| Altitude | 33 |
| Country | United States |
#2 Gaithersburg
The second most populous city in Montgomery County, Maryland.
| Population | 67,741 |
| Coordinates | 39.1434400, -77.2013700 |
| Altitude | 153 |
| Country | United States |
End: (-77.201269, 39.143361)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 10m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.24 | $5.26 | $10.52 |
| Mid-grade | $4.84 | $6.00 | $12.01 |
| Premium | $5.15 | $6.38 | $12.76 |
| Diesel | $6.36 | $7.89 | $15.78 |
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 · Oct 15, 2026