Origin
Londonderry, NH
Morning in Londonderry on Saturday
Local time
11:47 AM
EDT
Current temp
54°F
Unavailable
Live forecast
Trip from Londonderry, NH to Amherst, NH
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
36m
Distance
21.4 mi
34 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 33m
★
6 AM
0h 36m
8 AM
0h 42m
10 AM
0h 38m
12 PM
0h 38m
3 PM
0h 39m
5 PM
0h 42m
8 PM
0h 34m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Londonderry, NH
Wikimedia Commons
Amherst, NH
Mohan Nannapaneni
Trip Overview
The drive from Londonderry, NH to Amherst, NH covers 21.4 miles and takes about 36m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on NH 101, Mammoth Road, South Willow Street for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 11.4 miles on NH 101. At current regular gas prices, budget about $3.45 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 36m. Total distance: 21.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
36m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (59%). Some complex stretches to watch for.
Drive Character
The drive from Londonderry, NH to Amherst, NH covers 21.4 miles and takes about 36m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
NH 101 is the longest continuous segment at about 11.4 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 7 points where you need to pay attention to lane position or signs. The trickiest moment comes around 7.5 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 21.4 miles you will encounter 7 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 7.5 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 9.1 miles (NH 101): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 11.2 miles (NH 101): Lane positioning matters here.
Critical Maneuvers
5 of 7 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
7.5 mi into trip
|
~13m in
Take the ramp toward NH 101 West, I 293 North: Concord, Bedford
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward NH 101 West, I 293 North: Concord, Bedfo...
6
9.1 mi into trip
|
~16m in
|
NH 101
Keep slight left at fork onto NH 101 toward NH 101 West: Bedford, Nashua
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward NH 101 West: Bedford, Nashua
4
11.2 mi into trip
|
~19m in
|
NH 101
Turn left onto NH 101
Lane positioning matters here
Use the left lane.
4
20.5 mi into trip
|
~34m in
Take the exit toward NH 122: Amherst
Exit ramp - move to the correct lane early
Toward NH 122: Amherst
6
20.7 mi into trip
|
~34m in
Keep slight right at fork toward NH 122 South
Highway fork - watch signs carefully
Toward NH 122 South
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Londonderry, NH and Amherst, NH, road signs point toward Bedford and Nashua.
Bedford
7.5 mi in
|
~13m
Nashua
9.1 mi in
|
~16m
|
via NH 101
Main Roads
| Road | Distance | Duration |
|---|---|---|
| NH 101 | 11.4 mi | 17m |
| Mammoth Road | 3.6 mi | 7m |
| South Willow Street | 2.1 mi | 3m |
| Rockingham Road | 1.7 mi | 2m |
| I 293 | 1.2 mi | 1m |
| Amherst Street | 0.7 mi | 1m |
Longest stretch:
NH 101
— 11.4 mi, about 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between Londonderry, NH and Amherst, NH.
1
Start on NH 128
3.6 mi
·
7 min
·
Mammoth Road
2
Turn left onto NH 28
1.7 mi
·
2 min
·
Rockingham Road
3
Continue on NH 28
2.1 mi
·
3 min
·
South Willow Street
Use the left lane.
4
Take the ramp
0.4 mi
·
48 sec
Toward NH 101 West, I 293 North: Concord, Bedford
Use the left lane.
5
Merge onto I 293; NH 101
1.2 mi
·
1 min
·
I 293; NH 101
6
Keep slight left at fork onto NH 101
2.2 mi
·
3 min
·
NH 101
Toward NH 101 West: Bedford, Nashua
7
Turn left onto NH 101
0.4 mi
·
48 sec
·
NH 101
Use the left lane.
8
Continue on NH 101
8.8 mi
·
13 min
·
NH 101
Use the left / straight lanes.
9
Take the exit
0.2 mi
·
25 sec
Toward NH 122: Amherst
10
Keep slight right at fork
199 ft
·
6 sec
Toward NH 122 South
11
Turn slight right onto NH 122
0.7 mi
·
1 min
·
Amherst Street
12
Arrive at destination
NH 122
Fuel & Cost
Regular Gas
$3.45 one way
$6.89 round trip
$4.09/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $3.79 | $7.58 |
| premium | $4.86 | $4.10 | $8.20 |
| diesel | $5.61 | $4.72 | $9.45 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 7.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 57% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.4 | 0 | $2.25 | $1.03 |
| Efficient EV | 5.4 | 0 | $1.87 | $0.86 |
| EV Truck/SUV | 8.6 | 0 | $3.00 | $1.37 |
Gas CO2
7 kg
EV CO2
3 kg (57% 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
Amherst, NH
Morning in Amherst on Saturday
Local time
11:47 AM
EDT
Current temp
39°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
15 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
36m 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 Londonderry, NH to Amherst, NH covers 21.4 miles and takes about 36m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are NH 101, Mammoth Road, South Willow Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 10.7 miles from Londonderry, NH. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $3.45 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 drive requires moderate attention. Across 21.4 miles you will encounter 7 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 7.5 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 9.1 miles (NH 101): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 11.2 miles (NH 101): Lane positioning matters here.
Between Londonderry, NH and Amherst, NH, road signs point toward Bedford and Nashua.
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, 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 Amherst, NH
More trips to Amherst, NH
Explore more options from Londonderry, NH or browse trips ending in Amherst, NH.
Looking for more statewide routes? Browse NH road trips.