Origin
Allenstown, NH
Morning in Allenstown on Sunday
Local time
7:58 AM
EDT
Current temp
27°F
Unavailable
Live forecast
Trip from Allenstown, NH to Londonderry, NH
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
42m
Distance
25.6 mi
41 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 39m
★
6 AM
0h 42m
8 AM
0h 49m
10 AM
0h 45m
12 PM
0h 44m
3 PM
0h 45m
5 PM
0h 49m
8 PM
0h 40m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Allenstown, NH
www.kaboompics.com
Londonderry, NH
Wikimedia Commons
Trip Overview
Allenstown to Londonderry is 25.6 miles and takes about 42 minutes via I 93 and Mammoth Road, with a fuel budget near $4 and enough daylight to finish in a day. This short trip stays entirely within New Hampshire, connecting two points in the Northeast region. It's a straightforward drive, mostly utilizing major roadways, making it a convenient option for a quick commute or a brief inter-city excursion. You'll find this journey to be a practical way to move between these two communities without significant time commitment or complex navigation.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 93 | 7.7 mi | 9m |
| Alan B Shepard Highway | 4 mi | 5m |
| Mammoth Road | 3.5 mi | 7m |
| Pinewood Road | 2.8 mi | 4m |
| Hooksett Road | 2.2 mi | 4m |
| Rockingham Road | 1 mi | 1m |
| Everett Turnpike | 1 mi | 1m |
| College Park Drive | 0.4 mi | 1m |
Longest stretch:
I 93
— 7.7 mi, about 9m
Turn-by-Turn Driving Directions
Step-by-step road directions between Allenstown, NH and Londonderry, NH.
1
Start on this road
68 ft
·
5 sec
·
this road
2
Turn right onto Gilbert Road
0.2 mi
·
41 sec
·
Gilbert Road
3
Turn left onto NH 28
2.8 mi
·
4 min
·
Pinewood Road
4
At end of road, turn left onto US 3; NH 28
0.3 mi
·
36 sec
·
Allenstown Road
Use the left lane.
5
Continue on US 3; NH 28
2.2 mi
·
4 min
·
Hooksett Road
6
Turn slight right
253 ft
·
9 sec
Toward Hooksett Village
7
Turn straight onto College Park Drive
0.4 mi
·
1 min
·
College Park Drive
8
Continue on Main Street
0.2 mi
·
38 sec
·
Main Street
9
Turn right onto Riverside Street
0.3 mi
·
59 sec
·
Riverside Street
10
Turn left onto NH 3A
0.3 mi
·
44 sec
·
West River Road
11
Turn right onto Hackett Hill Road
0.3 mi
·
34 sec
·
Hackett Hill Road
12
Take the ramp
419 ft
·
10 sec
13
Keep slight left at fork
0.5 mi
·
1 min
14
Continue on this road
0.2 mi
·
29 sec
·
this road
Toward I 93 South
15
Merge onto I 93
1.0 mi
·
1 min
·
Everett Turnpike
16
Keep slight right at fork onto I 93
7.7 mi
·
9 min
·
I 93
Toward I 93 South: Salem, Boston
Use the slight left / slight right lanes.
17
Keep slight left at fork onto I 93
4.0 mi
·
5 min
·
Alan B Shepard Highway
Toward I 93 South: Derry, Boston
Use the slight left lane.
18
Take the exit
0.3 mi
·
33 sec
Exit 5
Toward NH 28: North Londonderry
19
Keep slight right at fork
0.1 mi
·
14 sec
20
Turn right onto NH 28
1.0 mi
·
1 min
·
Rockingham Road
21
Turn slight left onto Smith Lane
0.1 mi
·
36 sec
·
Smith Lane
22
Turn left onto NH 128
3.5 mi
·
7 min
·
Mammoth Road
23
Arrive at destination
NH 128
Heads-up: tricky spots
5 of 155 decision points cluster between mile 3 and 16.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
3 mi into trip
|
~5m in
|
US 3; NH 28 / Allenstown Road
At end of road, turn left onto US 3; NH 28 / Allenstown Road
Lane positioning matters here
Use the left lane.
5
6.2 mi into trip
|
~12m in
|
Riverside Street
Turn right onto Riverside Street
Navigation decision point
5
7.1 mi into trip
|
~14m in
Take the ramp
Navigation decision point
8
8.9 mi into trip
|
~17m in
|
I 93
Keep slight right at fork onto I 93 toward I 93 South: Salem, Boston
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Toward I 93 South: Salem, Boston
8
16.6 mi into trip
|
~27m in
|
I 93 / Alan B Shepard Highway
Keep slight left at fork onto I 93 / Alan B Shepard Highway toward I 93 South: Derry, Boston
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward I 93 South: Derry, Boston
Fuel & Cost
Regular Gas
$4.12 one way
$8.24 round trip
$4.09/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $4.53 | $9.07 |
| premium | $4.86 | $4.90 | $9.80 |
| diesel | $5.61 | $5.65 | $11.30 |
Estimated Tolls: $0.07
Everett Turnpike
(1 mi)
$0.07
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$4
Tolls
$0
Total
$4
Estimated CO2 emission: 9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.7 | 0 | $2.69 | $1.23 |
| Efficient EV | 6.4 | 0 | $2.24 | $1.02 |
| EV Truck/SUV | 10.2 | 0 | $3.58 | $1.64 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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
Londonderry, NH
Morning in Londonderry on Sunday
Local time
7:58 AM
EDT
Current temp
54°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
27 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
42m 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 offers a mixed drive experience, with about 34% of it on highways. You'll spend a good portion of the 42 minutes navigating I 93, also known as the Alan B Shepard Highway, which provides a relatively fast-paced stretch. The longest uninterrupted segment you'll encounter is 7.7 miles on I 93. As you transition off the interstate, the character of the drive shifts to roads like Mammoth Road, offering a different feel as you approach your destination. Expect a blend of quicker highway travel and more local road conditions.
34% highway, the rest on surface roads — varied driving throughout.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 7.7 mi on I 93.
How Hard Is This Drive?
8/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3 miles in near US 3; NH 28 / Allenstown Road.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 25.6 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 42m.
Where does it get tricky?
The main spots that need attention: at 3 miles (US 3; NH 28 / Allenstown Road): Lane positioning matters here; at 6.2 miles (Riverside Street): Navigation decision point; at 7.1 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 Allenstown, NH and Londonderry, NH, road signs point toward Hooksett Village and Boston.
Hooksett Village
5.5 mi in
|
~10m
Boston
8.9 mi in
|
~17m
|
via I 93
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 42m. Total distance: 25.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
42m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (34%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile.
Frequently Asked Questions
The longest stretch is about 7.7 miles on I 93. The full list of main roads is in the Roads section above.
Expect about $0.07 in tolls one way, starting with Everett Turnpike. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
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 Londonderry, 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 miles (US 3; NH 28 / Allenstown Road): Lane positioning matters here; at 6.2 miles (Riverside Street): Navigation decision point; at 7.1 miles: Navigation decision point.
Yes. A round trip is manageable in a single day if you plan a break at Londonderry, 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.
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