How far is Troy, NH from Derry, NH?
The driving distance from Troy, NH to Derry, NH is about 61.3 miles (98.7 km), with a travel time of about 01h 22m by car.
- The straight-line flight distance is about 43.4 miles (69.9 km).
- For a round trip, plan for roughly 02h 45m 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 22m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
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 Troy and Derry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Derry.
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1
Start on South Main Street
25 m · 3 sec · South Main Street
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2
Turn right onto Monadnock Street
2.6 mi · 6 min · Monadnock Street
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3
Continue on Troy Road
107 m · 14 sec · Troy Road
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4
Turn right onto Mountain Road
4.4 mi · 8 min · Mountain Road
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5
Continue on Main Street
2.1 mi · 5 min · Main Street
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6
Turn left onto Peterborough Street
2.8 mi · 5 min · Peterborough Street
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7
Continue on Jaffrey Road
3.1 mi · 5 min · Jaffrey Road
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8
Continue on Grove Street
1086 ft · 31 sec · Grove Street
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9
Turn right onto Wilton Road
4 mi · 7 min · Wilton Road
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10
Continue on Gibbons Highway
9.3 mi · 15 min · Gibbons Highway
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11
Continue on Elm Street
1.3 mi · 3 min · Elm Street
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12
Turn right onto State Route 101
11.3 mi · 16 min · State Route 101
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13
Continue straight
6.3 mi · 10 min
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14
Take the exit slight right
4.7 mi · 6 min
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15
Take the exit slight right toward I 93 South: Salem, Boston
661 ft · 16 sec
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16
Continue straight
1.3 km · 2 min
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17
Merge slight left onto Alan B Shepard Highway
3.2 mi · 4 min · Alan B Shepard Highway
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18
Continue on Alan B Shepard Jr Highway
1 mi · 1 min · Alan B Shepard Jr Highway
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19
Continue on Alan Bartlett Shepard Junior Highway
2.1 mi · 2 min · Alan Bartlett Shepard Junior Highway
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20
Take the exit slight right toward NH 102: Derry, Londonderry
2896 ft · 1 min
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21
Keep slight left
40 m · 5 sec
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22
Turn left onto Nashua Road
2917 ft · 1 min · Nashua Road
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23
Continue on West Broadway
3209 ft · 2 min · West Broadway
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24
Turn left
32 m · 10 sec
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25
Turn right
24 m · 6 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troy 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.
State Route 101
Turn right onto State Route 101
11.3 mi · 00h 16m
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 Troy 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 Troy to Derry?
The road trip is about 61.3 miles (98.7 km) and usually takes 01h 22m 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?
Wilton is a useful midpoint, sitting about 30.6 miles from Troy and 30.7 miles from Derry.
How much longer is the road route than the straight-line distance?
The direct path is about 43.4 miles (69.9 km), while the road route adds roughly 17.9 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 3:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.52 one way or $17.04 round trip. Estimated CO2 is about 19.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Troy and Partly Sunny then Slight Chance Rain Showers near Derry.
Stop Ideas Near Wilton
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 Wilton.
Nashua, NH
Manchester, New Hampshire
Concord, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Troy and Derry. Straight-line distance: 43.43 mi (69.89 km).
#1 Troy
Town in Cheshire County, New Hampshire, United States
| Population | 2,117 |
| Coordinates | 42.8239700, -72.1811900 |
| Altitude | 309 |
| 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: 99 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 02m |
| 40 mph (64.37 km/h) | 01h 31m |
| 50 mph (80.47 km/h) | 01h 13m |
| 60 mph (96.56 km/h) | 01h 01m |
| 70 mph (112.65 km/h) | 00h 52m |
| 80 mph (129 km/h) | 00h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $8.52 | $17.04 |
| Mid-grade | $4.46 | $9.63 | $19.25 |
| Premium | $4.86 | $10.49 | $20.99 |
| Diesel | $6.00 | $12.95 | $25.91 |
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.