How far is Kemp Mill, MD from Olney, MD?
The driving distance from Kemp Mill, MD to Olney, MD is about 13 miles (20.9 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 8.3 miles (13.3 km).
- For a round trip, plan for roughly 00h 48m 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 24m.
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.
Census-designated place in Montgomery County, Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Kemp Mill and Olney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kemp Mill and Olney.
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1
Start on Northwood Terrace
1498 ft · 1 min · Northwood Terrace
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2
Continue on Conti Place
664 ft · 34 sec · Conti Place
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3
At the end of the road, turn left onto Hoyt Street
113 m · 19 sec · Hoyt Street
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4
Turn right onto Arcola Avenue
1.7 mi · 5 min · Arcola Avenue
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5
Turn right onto Georgia Avenue
1.5 km · 2 min · Georgia Avenue
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6
Turn right onto Layhill Road
2313 ft · 1 min · Layhill Road
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7
Keep slight left to continue on Layhill Road
2.5 mi · 5 min · Layhill Road
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8
Turn left onto MD 200 Toll West
1490 ft · 38 sec
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9
Merge slight left onto Intercounty Connector
1.4 mi · 2 min · Intercounty Connector
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10
Take the exit slight right toward MD 97: Georgia Avenue, Olney, Wheaton
1708 ft · 42 sec
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11
Keep slight right to continue on MD 97 North: Georgia Avenue North, Olney
1581 ft · 39 sec
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12
Turn straight onto Georgia Avenue
2.3 mi · 5 min · Georgia Avenue
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13
Turn left onto Olney Laytonsville Road
158 m · 23 sec · Olney Laytonsville Road
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14
Continue on Olney Laytonsville Road
151 m · 21 sec · Olney Laytonsville Road
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15
Turn right onto Georgia Avenue
2 m · 1 sec · Georgia Avenue
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16
Arrive at your destination
0 m · 1 sec · Georgia Avenue
Car Route Details
A richer read on the saved driving route between Kemp Mill and Olney.
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.
Layhill Road
Keep slight left to continue on Layhill Road
2.48 mi · 00h 05m
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 leaving Kemp Mill and Rain Showers near Olney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kemp Mill to Olney?
The road trip is about 13 miles (20.9 km) and usually takes 00h 24m 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?
Aspen Hill is a useful midpoint, sitting about 5.4 miles from Kemp Mill and 7.6 miles from Olney.
How much longer is the road route than the straight-line distance?
The direct path is about 8.3 miles (13.3 km), while the road route adds roughly 4.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.88 one way or $3.76 round trip. Estimated CO2 is about 4.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Kemp Mill and Rain Showers near Olney.
Stop Ideas Near Aspen Hill
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 Aspen Hill.
Rockville station
Washington Union Station
New Carrollton station
Union Station
Flight Path Map
This map shows the direct air route between Kemp Mill and Olney. Straight-line distance: 8.3 mi (13.35 km).
#1 Kemp Mill
Census-designated place in Montgomery County, Maryland, United States
| Population | 13,445 |
| Coordinates | 39.0390000, -77.0191400 |
| Altitude | 103 |
| Country | United States |
#2 Olney
Unincorporated area of Montgomery County, Maryland, United States of America
| Population | 33,844 |
| Coordinates | 39.1531600, -77.0669200 |
| Altitude | 165 |
| Country | United States |
End: Georgia Avenue (-77.066929, 39.153178)
Estimated Travel Time
Distance: 21 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 25m |
| 40 mph (64.37 km/h) | 00h 19m |
| 50 mph (80.47 km/h) | 00h 15m |
| 60 mph (96.56 km/h) | 00h 12m |
| 70 mph (112.65 km/h) | 00h 11m |
| 80 mph (129 km/h) | 00h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $1.88 | $3.76 |
| Mid-grade | $4.60 | $2.12 | $4.23 |
| Premium | $4.95 | $2.28 | $4.56 |
| Diesel | $5.98 | $2.75 | $5.50 |
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.