Origin
Merrimack, NH
Late night in Merrimack on Tuesday
Local time
4:13 AM
EDT
Current temp
60°F
Unavailable
Live forecast
Trip from Merrimack, NH to Derry, NH
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
28m
Distance
14.4 mi
23 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 26m
★
6 AM
0h 29m
8 AM
0h 34m
10 AM
0h 30m
12 PM
0h 30m
3 PM
0h 31m
5 PM
0h 33m
8 PM
0h 27m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Merrimack, NH
Wikimedia Commons
Derry, NH
Wikimedia Commons
Trip Overview
Merrimack, NH to Derry, NH is 14.4 miles and takes about 28m via Daniel Webster Highway, with a fuel budget near $2 and enough daylight to finish in a day. This short trip stays within New Hampshire, connecting two points in the Northeast region. Expect a local drive with frequent turns, making it feel more like navigating through towns than a straightforward highway journey. It's an easy excursion, perfect for a quick errand or a brief scenic detour without requiring an overnight stay.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Daniel Webster Highway | 3.8 mi | 8m |
| Alan Bartlett Shepard Junior Highway | 2.1 mi | 2m |
| Rockingham Road | 2.1 mi | 3m |
| Pettengill Road | 1.1 mi | 2m |
| Grenier Field Road | 0.7 mi | 1m |
| West Broadway | 0.6 mi | 1m |
| Harvey Road | 0.6 mi | 1m |
| Nashua Road | 0.6 mi | 1m |
Longest stretch:
Daniel Webster Highway
— 3.8 mi, about 8m
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack, NH and Derry, NH.
1
Start on Loop Road
83 ft
·
5 sec
·
Loop Road
2
Turn straight onto US 3
3.8 mi
·
8 min
·
Daniel Webster Highway
Use the left lane.
3
Continue on US 3
0.1 mi
·
12 sec
·
South River Road
4
Take the ramp
0.2 mi
·
27 sec
Toward Airport
5
Merge onto Raymond Wieczorek Drive
0.5 mi
·
47 sec
·
Raymond Wieczorek Drive
6
Turn right onto Pettengill Road
1.1 mi
·
2 min
·
Pettengill Road
7
Continue on Harvey Road
0.6 mi
·
1 min
·
Harvey Road
8
Turn right onto Webster Road
0.1 mi
·
22 sec
·
Webster Road
9
Turn right onto Grenier Field Road
0.7 mi
·
1 min
·
Grenier Field Road
10
Continue on Page Road
0.2 mi
·
35 sec
·
Page Road
11
Turn right onto NH 28
2.1 mi
·
3 min
·
Rockingham Road
12
Take the ramp
0.5 mi
·
1 min
Toward I 93 South
13
Merge onto I 93
0.5 mi
·
36 sec
·
Alan B Shepard Jr Highway
14
Continue on I 93
2.1 mi
·
2 min
·
Alan Bartlett Shepard Junior Highway
15
Take the exit
0.5 mi
·
1 min
Exit 4
Toward NH 102: Derry, Londonderry
16
Keep slight left at fork
131 ft
·
5 sec
17
Turn left onto NH 102
0.6 mi
·
1 min
·
Nashua Road
Use the straight lane.
18
Continue on NH 102
0.6 mi
·
1 min
·
West Broadway
19
Turn left
105 ft
·
9 sec
20
Turn right
78 ft
·
5 sec
21
Arrive at destination
Heads-up: tricky spots
5 of 135 decision points cluster between mile 3.9 and 13.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
3.9 mi into trip
|
~8m in
Take the ramp toward Airport
Navigation decision point
Toward Airport
4
7.4 mi into trip
|
~16m in
|
NH 28 / Rockingham Road
Turn right onto NH 28 / Rockingham Road
Navigation decision point
4
9.4 mi into trip
|
~19m in
Take the ramp toward I 93 South
Navigation decision point
Toward I 93 South
6
12.6 mi into trip
|
~24m in
Take the exit toward NH 102: Derry, Londonderry
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 4
Toward NH 102: Derry, Londonderry
4
13.1 mi into trip
|
~25m in
Keep slight left at fork
Highway fork - watch signs carefully
Fuel & Cost
Regular Gas
$2.32 one way
$4.64 round trip
$4.09/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $2.55 | $5.10 |
| premium | $4.86 | $2.76 | $5.52 |
| diesel | $5.61 | $3.18 | $6.36 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 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 | 4.3 | 0 | $1.51 | $0.69 |
| Efficient EV | 3.6 | 0 | $1.26 | $0.58 |
| EV Truck/SUV | 5.8 | 0 | $2.02 | $0.92 |
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
Derry, NH
Late night in Derry on Tuesday
Local time
4:13 AM
EDT
Current temp
58°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
2 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
28m 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?
This route is characterized by its turn-heavy local drive, with a 0% highway share. You'll be navigating through town centers and local roads for the entire 14.4 miles. The longest stretch without a turn is 3.8 miles along Daniel Webster Highway. Be prepared for frequent adjustments in direction as you follow Daniel Webster Highway, Alan Bartlett Shepard Junior Highway, and Rockingham Road. The drive offers a consistent, local feel throughout its duration.
Only 0% highway — the rest is turn-by-turn surface driving.
21 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 3.8 mi on Daniel Webster Highway.
How Hard Is This Drive?
6/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes around 3.9 miles in.
Driving Effort
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 14.4 miles you will encounter 13 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 3.9 miles: Navigation decision point; at 7.4 miles (NH 28 / Rockingham Road): Navigation decision point; at 9.4 miles: Navigation decision point.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Merrimack, NH and Derry, NH, road signs point toward Airport and Londonderry.
Airport
3.9 mi in
|
~8m
Londonderry
12.6 mi in
|
~24m
About the Cities
Starting in Merrimack, NH
Full guide →Merrimack is a city in the Merrimack Valley of New Hampshire.
Arriving in Derry, NH
Full guide →Derry is a town in New Hampshire.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 28m. Total distance: 14.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
28m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 3.8 miles on Daniel Webster Highway. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Derry, NH before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
Mostly yes along the main roads, but rural stretches through NH can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 3.9 miles: Navigation decision point; at 7.4 miles (NH 28 / Rockingham Road): Navigation decision point; at 9.4 miles: Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Derry, NH 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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Derry, NH
More trips to Derry, NH
Explore more options from Merrimack, NH or browse trips ending in Derry, NH.
Looking for more statewide routes? Browse NH road trips.