How far is Derry, NH from Troy, NH?

The driving distance from Derry, NH to Troy, NH is about 61.1 miles (98.3 km), with a travel time of about 01h 41m by car.

  • The straight-line flight distance is about 43.4 miles (69.9 km).
  • For a round trip, plan for roughly 03h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
61.1 mi
01h 41m
Flight
43.43 mi
69.89 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Derry.

Flight Distance

Direct air line
43.43 mi
Kilometers
69.89 km
Flight Time
00h 05m

Driving Distance

Road route
61.1 mi
Kilometers
98.33 km
Drive Time
01h 41m

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 41m.

Arrival Snapshot
Arrive in Troy
Sat, May 2, 8:06 PM EDT
Return by in Derry
Sat, May 2, 9:47 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Derry
2026-05-02T18:25
Arrive Troy
Sat, May 2, 8:06 PM EDT
Route Timing
01h 41m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:41 AM to 11:41 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Derry
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Wilton
NH

Town in New Hampshire

From Derry
30.5 mi
00h 50m
To Troy
30.6 mi
00h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Saturday

Partly Sunny then Slight Chance Rain Showers

Starts
Sat, May 2 6:00 AM EDT
Wind
5 mph SW
Destination
52°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
5 to 10 mph W

Driving Route Map

The map below follows the saved road route between Derry and Troy.

Turn-by-Turn Driving Directions

Step-by-step road directions between Derry and Troy.

  1. 1

    Start on the route

    24 m · 11 sec

  2. 2

    Turn left

    32 m · 10 sec

  3. 3

    Turn right onto West Broadway

    3209 ft · 2 min · West Broadway

  4. 4

    Continue on Nashua Road

    1538 ft · 44 sec · Nashua Road

  5. 5

    Take the ramp right toward I 93 North: Manchester, Concord

    1729 ft · 43 sec

  6. 6

    Merge slight left onto Alan Bartlett Shepard Junior Highway

    2.3 mi · 3 min · Alan Bartlett Shepard Junior Highway

  7. 7

    Continue on Alan B Shepard Jr Highway

    1 mi · 1 min · Alan B Shepard Jr Highway

  8. 8

    Continue on Alan B Shepard Highway

    3.2 mi · 4 min · Alan B Shepard Highway

  9. 9

    Take the exit slight left toward I 293 North, NH 101 West: Manchester Airport, Bedford, Manchester

    3.5 mi · 5 min

  10. 10

    Keep slight left to continue on NH 101 West: Bedford, Nashua

    2.2 mi · 3 min

  11. 11

    Turn left

    2229 ft · 49 sec

  12. 12

    Continue straight

    17.2 mi · 26 min

  13. 13

    Turn left onto Elm Street

    1.4 mi · 3 min · Elm Street

  14. 14

    Continue on Gibbons Highway

    9.3 mi · 15 min · Gibbons Highway

  15. 15

    Continue on Wilton Road

    4 mi · 7 min · Wilton Road

  16. 16

    Turn left onto Grove Street

    1269 ft · 36 sec · Grove Street

  17. 17

    Continue on Jaffrey Road

    3.1 mi · 5 min · Jaffrey Road

  18. 18

    Continue on Peterborough Street

    2.8 mi · 5 min · Peterborough Street

  19. 19

    Turn right onto Main Street

    2.1 mi · 5 min · Main Street

  20. 20

    Continue on Mountain Road

    4.4 mi · 9 min · Mountain Road

  21. 21

    Turn left onto Troy Road

    107 m · 10 sec · Troy Road

  22. 22

    Continue on Monadnock Street

    2.6 mi · 6 min · Monadnock Street

  23. 23

    At the end of the road, turn left onto South Main Street

    25 m · 1 sec · South Main Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · South Main Street

Car Route Details

A richer read on the saved driving route between Derry and Troy.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
24 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
39.3 / 100 mi
Decision points by distance
Main Roads
NH 101 West
19.4 mi · 32%
Gibbons Highway
9.33 mi · 15%
Mountain Road
4.41 mi · 7%
Wilton Road
4 mi · 7%
I 293 North
3.45 mi · 6%
Alan B Shepard Highway
3.21 mi · 5%
Longest Stretch

NH 101 West

Continue straight

17.2 mi · 00h 26m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 41m
Day trip friendly
Same-Day Return
03h 22m
Round-trip wheel time
Road vs Air
+17.7 mi
43.4 mi direct line
Halfway Stop
Wilton
00h 50m from Derry
Leave By
3:08 PM EDT
Morning start is best
Weather Watch

Partly Sunny then Slight Chance Rain Showers leaving Derry and Mostly Sunny near Troy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Derry to Troy?

The road trip is about 61.1 miles (98.3 km) and usually takes 01h 41m 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 30.5 miles from Derry and 30.6 miles from Troy.

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 17.7 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 3:08 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 Partly Sunny then Slight Chance Rain Showers around Derry and Mostly Sunny near Troy.

Stop Ideas Near Wilton

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Wilton, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Wilton.

BUS

Nashua, NH

20 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

27 mi away
119 Canal St.
BUS

Concord, New Hampshire

44 mi away
30 Stickney Ave.
RAIL

Haverhill station

54 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Derry and Troy. Straight-line distance: 43.43 mi (69.89 km).

Derry

#1 Derry

Town in New Hampshire, United States

Population33,442
Coordinates42.8806400, -71.3272900
Altitude84
CountryUnited States
Troy

#2 Troy

Town in Cheshire County, New Hampshire, United States

Population2,117
Coordinates42.8239700, -72.1811900
Altitude309
CountryUnited States
Start: Derry (-71.32729, 42.88064)
End: Troy (-72.18119, 42.82397)

Estimated Travel Time

Distance: 98 km by road

SpeedTime
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.

One-way fuel
2.16 gal
8.16 L · about $8.52
Round trip
$17.04
4.32 gal · 16.32 L
Estimated CO2
19.2 kg one way
Round trip: 38.4 kg / 85 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

There is no time difference between Derry and Troy. The current time is 18:25:17.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.