Origin
Mount Airy, MD
Afternoon in Mount Airy on Sunday
Local time
4:21 PM
EDT
Current temp
73°F
Unavailable
Live forecast
Trip from Mount Airy, MD to Walnut Hill, MD
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 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
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.
Mount Airy, MD
Wikimedia Commons
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.
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
Heads-up: tricky spots
5 of 105 decision points cluster between mile 0 and 15.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
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.
Destination
Walnut Hill, MD
Afternoon in Walnut Hill on Sunday
Local time
4:21 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.
What kind of drive is this?
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.
Only 0% highway — the rest is turn-by-turn surface driving.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 7.7 mi on Ridge Road.
How Hard Is This Drive?
4/10
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.
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
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 7.7 miles on Ridge Road. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
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.
Yes — Monocacy National Battlefield, Potomac Heritage National Scenic Trail and Chesapeake & Ohio Canal National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Walnut Hill, MD before heading back.
How this page is built
Compiled by the US Trip Planner 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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