How far is Unity, NH from Derry, NH?
The driving distance from Unity, NH to Derry, NH is about 71.6 miles (115.2 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 55.1 miles (88.6 km).
- For a round trip, plan for roughly 02h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 26m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Merrimack County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Unity and Derry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Unity and Derry.
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1
Start on 2nd NH Turnpike
2.1 mi · 3 min · 2nd NH Turnpike
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2
Continue on Lempster Street
3.5 mi · 7 min · Lempster Street
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3
Continue on 2nd New Hampshire Turnpike
1.5 mi · 3 min · 2nd New Hampshire Turnpike
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4
Continue on Mountain Road
3.5 mi · 8 min · Mountain Road
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5
Continue on Lempster Mountain Road
2 mi · 4 min · Lempster Mountain Road
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6
Turn right onto North Main Street
4.5 mi · 8 min · North Main Street
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7
Continue on State Road
1.5 km · 2 min · State Road
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8
Continue on 2nd New Hampshire Turnpike
3.9 mi · 7 min · 2nd New Hampshire Turnpike
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9
Turn left onto West Main Street
1256 ft · 24 sec · West Main Street
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10
Turn straight onto Franklin Pierce Highway
16.3 mi · 22 min · Franklin Pierce Highway
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11
Merge slight left
7.9 mi · 10 min
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12
Take the exit slight right toward I 93 South Toll: Manchester, Boston
1 km · 1 min
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13
Merge slight right onto Everett Turnpike
5.7 mi · 7 min · Everett Turnpike
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14
Keep slight left to continue on Everett Turnpike
2 mi · 2 min · Everett Turnpike
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15
Keep slight right to continue on I 93 South: Salem, Boston
7.7 mi · 10 min
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16
Keep slight left to continue on Alan B Shepard Highway
4.4 mi · 6 min · Alan B Shepard Highway
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17
Continue on Alan B Shepard Jr Highway
1 mi · 1 min · Alan B Shepard Jr Highway
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18
Continue on Alan Bartlett Shepard Junior Highway
2.1 mi · 2 min · Alan Bartlett Shepard Junior Highway
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19
Take the exit slight right toward NH 102: Derry, Londonderry
2896 ft · 1 min
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20
Keep slight left
40 m · 5 sec
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21
Turn left onto Nashua Road
2917 ft · 1 min · Nashua Road
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22
Continue on West Broadway
3209 ft · 2 min · West Broadway
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23
Turn left
32 m · 10 sec
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24
Turn right
24 m · 6 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Unity and Derry.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Franklin Pierce Highway
Turn straight onto Franklin Pierce Highway
16.3 mi · 00h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Unity and Partly Sunny then Slight Chance Rain Showers near Derry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Unity to Derry?
The road trip is about 71.6 miles (115.2 km) and usually takes 01h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Hopkinton is a useful midpoint, sitting about 35.7 miles from Unity and 35.9 miles from Derry.
How much longer is the road route than the straight-line distance?
The direct path is about 55.1 miles (88.6 km), while the road route adds roughly 16.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.98 one way or $19.96 round trip. Estimated CO2 is about 22.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Unity and Partly Sunny then Slight Chance Rain Showers near Derry.
Stop Ideas Near Hopkinton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hopkinton.
Concord, New Hampshire
Manchester, New Hampshire
Tilton, New Hampshire
Nashua, NH
Flight Path Map
This map shows the direct air route between Unity and Derry. Straight-line distance: 55.07 mi (88.62 km).
#1 Unity
Town in Sullivan County, New Hampshire, United States
| Population | 1,616 |
| Coordinates | 43.2939600, -72.2603700 |
| Altitude | 445 |
| Country | United States |
#2 Derry
Town in New Hampshire, United States
| Population | 33,442 |
| Coordinates | 42.8806400, -71.3272900 |
| Altitude | 84 |
| Country | United States |
End: (-71.327312, 42.880642)
Estimated Travel Time
Distance: 115 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 47m |
| 50 mph (80.47 km/h) | 01h 25m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $9.98 | $19.96 |
| Mid-grade | $4.46 | $11.28 | $22.55 |
| Premium | $4.86 | $12.29 | $24.58 |
| Diesel | $6.00 | $15.17 | $30.34 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in New Hampshire · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.