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Trip from Mount Airy, MD to Walnut Hill, MD

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards

Drive Time

26m

Distance

15.6 mi

25 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Unknown

Best Time to Leave

Save up to 7 min
4 AM
0h 25m ★
6 AM
0h 27m
8 AM
0h 32m
10 AM
0h 29m
12 PM
0h 28m
3 PM
0h 29m
5 PM
0h 31m
8 PM
0h 25m ★

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

town in Carroll and Frederick Counties, Maryland, United States

Mount Airy, MD

Wikimedia Commons

Downtown Walnut Hill, MD, MD

Walnut Hill, MD

Evgeniy Alekseyev

Trip Overview

This 15.6-mile journey from Mount Airy to Walnut Hill, Maryland, is a quick 26-minute drive that’s perfect for a single day trip. With no highway driving involved and an estimated fuel cost of just $3, it’s an economical option. The route primarily follows Ridge Road, Marston Road, and New Windsor Road, offering a local feel. Since it's so short, you won't need an overnight stay. This drive stays within the Northeast region of Maryland, making it a convenient local excursion.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 26m. Total distance: 15.6 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

26m drive, comfortable solo distance.

EV Driver

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

First-Time Driver

Mostly highway driving (0%). Straightforward navigation.

Scenic Drive

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

Drive Character

Expect a turn-heavy local drive on this route, with 0% of it being highway. Your longest uninterrupted stretch will be 7.7 miles on Ridge Road. This road profile suggests a route that winds through local terrain rather than a straight, fast-paced path. You'll likely experience frequent turns and changes in direction as you navigate the local roads connecting Mount Airy to Walnut Hill, offering a more engaging driving experience.

This route has more turning and local-road decision points than a simple highway run.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Ridge Road is the longest continuous segment at about 7.7 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Center Street.

Driving Effort 4/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 26m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: near the start (Center Street): Navigation decision point; at 14.8 miles (Church Street): Navigation decision point; at 15.2 miles (Hawks Hill Road): Navigation decision point.

Critical Maneuvers

5 of 10 key points

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

4
0 mi into trip | ~0m in | Center Street

Turn left onto Center Street

Navigation decision point

4
14.8 mi into trip | ~24m in | Church Street

Turn left onto Church Street

Navigation decision point

4
15.2 mi into trip | ~25m in | Hawks Hill Road

Turn right onto Hawks Hill Road

Navigation decision point

5
15.3 mi into trip | ~25m in | Hallowell Lane

Turn left onto Hallowell Lane

Navigation decision point

5
15.5 mi into trip | ~26m in

Turn right

Navigation decision point

Main Roads

Road Distance Duration
Ridge Road 7.7 mi 11m
Marston Road 3.8 mi 6m
New Windsor Road 1.8 mi 3m
South Main Street 1.3 mi 2m
Old New Windsor Road 0.3 mi <1m
Church Street 0.2 mi <1m
High Street 0.2 mi <1m
Hallowell Lane 0.1 mi <1m
Longest stretch: Ridge Road — 7.7 mi, about 11m

Turn-by-Turn Driving Directions

Step-by-step road directions between Mount Airy, MD and Walnut Hill, MD.

1

Start on Veterans Way

119 ft · 10 sec · Veterans Way
2

Turn left onto Center Street

103 ft · 6 sec · Center Street
3

Turn right onto MD 808

1.3 mi · 2 min · South Main Street
4

Turn left onto MD 27

7.7 mi · 11 min · Ridge Road
5

Turn left onto MD 407

3.0 mi · 4 min · Marston Road
6

Continue on MD 407

0.8 mi · 1 min · Marston Road
7

Turn right onto MD 31

1.8 mi · 3 min · New Windsor Road
8

Continue on MD 31

0.2 mi · 23 sec · High Street
9

Turn left onto Church Street

0.2 mi · 28 sec · Church Street
10

Continue on Old New Windsor Road

0.3 mi · 42 sec · Old New Windsor Road
11

Turn right onto Hawks Hill Road

0.1 mi · 30 sec · Hawks Hill Road
12

Turn left onto Hallowell Lane

0.1 mi · 33 sec · Hallowell Lane
13

Turn right

292 ft · 21 sec
14

Turn right

84 ft · 6 sec
15

Arrive at destination

Fuel & Cost

Regular Gas

$2.59 one way

$5.17 round trip

$4.21/gal 25.4 MPG avg 6 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $2.83 $5.67
premium $4.93 $3.03 $6.05
diesel $5.61 $3.44 $6.89

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 5.5 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 60% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 4.7 0 $1.64 $0.75
Efficient EV 3.9 0 $1.37 $0.62
EV Truck/SUV 6.2 0 $2.18 $1.00

Gas CO2

5 kg

EV CO2

2 kg (60% 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 17, 2026

Origin

Mount Airy, MD

Evening in Mount Airy on Friday

Local time

5:06 PM

EDT

Current temp

73°F

Unavailable

Live forecast

Destination

Walnut Hill, MD

Evening in Walnut Hill on Friday

Local time

5:06 PM

EDT

Current temp

73°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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

26m 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 Mount Airy, MD to Walnut Hill, MD covers 15.6 miles and takes about 26m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Ridge Road, Marston Road, New Windsor Road. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 7.8 miles from Mount Airy, MD. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $2.59 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 is a straightforward 26m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.

The main spots that need attention: near the start (Center Street): Navigation decision point; at 14.8 miles (Church Street): Navigation decision point; at 15.2 miles (Hawks Hill Road): Navigation decision point.

The route from Mount Airy, MD to Walnut Hill, MD does not surface many named destination signs beyond the main corridor.

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

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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