How far is Troy, NH from Rochester, NH?
The driving distance from Troy, NH to Rochester, NH is about 99.4 miles (160 km), with a travel time of about 02h 03m by car.
- The straight-line flight distance is about 69.3 miles (111.6 km).
- For a round trip, plan for roughly 04h 07m 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 02h 03m.
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.
Census-designated place in Merrimack County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Troy and Rochester.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Rochester.
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1
Start on South Main Street
749 ft · 10 sec · South Main Street
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2
Continue on Central Square
544 ft · 7 sec · Central Square
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3
Continue on North Main Street
2.6 mi · 3 min · North Main Street
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4
Continue on NH Route 12
1.5 mi · 2 min · NH Route 12
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5
Continue on Monadnock Highway
3.1 mi · 4 min · Monadnock Highway
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6
Enter the roundabout and take exit 2 toward Monadnock Highway
31 m · 1 sec · Monadnock Highway
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7
Exit the roundabout onto Monadnock Highway
1628 ft · 21 sec · Monadnock Highway
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8
Continue on Main Street
1.6 km · 1 min · Main Street
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9
Turn left onto State Route 101
1.2 km · 1 min · State Route 101
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10
Enter the roundabout and take exit 2 toward State Route 10
57 m · 2 sec · State Route 10
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11
Exit the roundabout onto State Route 10
2148 ft · 43 sec · State Route 10
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12
Turn right onto Route 9
1.3 mi · 2 min · Route 9
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13
Keep slight right to continue on Hillsborough, Henniker
11.5 mi · 17 min
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14
Continue on Route 9
6.7 mi · 9 min · Route 9
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15
Continue on Keene Road
5.7 mi · 8 min · Keene Road
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16
Continue on West Main Street
1.9 mi · 3 min · West Main Street
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17
Turn straight onto Franklin Pierce Highway
16.3 mi · 22 min · Franklin Pierce Highway
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18
Merge slight left
8.3 mi · 10 min
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19
Turn left onto Route 3-A
1701 ft · 41 sec · Route 3-A
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20
Continue on South Main Street
128 m · 10 sec · South Main Street
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21
Take the ramp slight right toward I 93 North
2524 ft · 54 sec
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22
Merge slight left onto Everett Turnpike
1.7 mi · 2 min · Everett Turnpike
-
23
Continue on Styles Bridges Highway
2718 ft · 42 sec · Styles Bridges Highway
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24
Take the exit slight right toward I 393 East, US 4 East, US 202 East: Loudon, Portsmouth
2452 ft · 1 min
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25
Merge slight left
4.4 mi · 6 min
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26
Continue on Loudon Road
904 ft · 17 sec · Loudon Road
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27
Continue on Dover Road
4.9 mi · 8 min · Dover Road
-
28
Enter the roundabout and take exit 2 toward Epsom Circle
76 m · 6 sec · Dover Road
-
29
Exit the rotary onto Dover Road
4.3 mi · 7 min · Dover Road
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30
Continue on First New Hampshire Turnpike
7.1 mi · 12 min · First New Hampshire Turnpike
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31
Turn left onto Rochester Road
1.4 mi · 3 min · Rochester Road
-
32
Continue on Barrington Road
3.6 mi · 6 min · Barrington Road
-
33
Turn left onto Washington Street
7.6 mi · 14 min · Washington Street
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34
Exit the rotary onto North Main Street
2289 ft · 1 min · North Main Street
-
35
Turn slight left
46 m · 4 sec
-
36
Turn slight left onto Wakefield Street
42 m · 5 sec · Wakefield Street
-
37
Turn right onto Museum Way
37 m · 5 sec · Museum Way
-
38
Turn right
17 m · 4 sec
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39
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troy and Rochester.
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.
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 Troy and Mostly Sunny near Rochester.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to Rochester?
The road trip is about 99.4 miles (160 km) and usually takes 02h 03m 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?
Contoocook is a useful midpoint, sitting about 49.5 miles from Troy and 50 miles from Rochester.
How much longer is the road route than the straight-line distance?
The direct path is about 69.3 miles (111.6 km), while the road route adds roughly 30.1 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 2:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.85 one way or $27.69 round trip. Estimated CO2 is about 31.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Troy and Mostly Sunny near Rochester.
Stop Ideas Near Contoocook
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 Contoocook.
Concord, New Hampshire
Tilton, New Hampshire
Manchester, New Hampshire
New Hampton, New Hampshire
Flight Path Map
This map shows the direct air route between Troy and Rochester. Straight-line distance: 69.33 mi (111.57 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 Rochester
City in Strafford County, New Hampshire, United States
| Population | 31,719 |
| Coordinates | 43.3045300, -70.9756200 |
| Altitude | 70 |
| Country | United States |
End: (-70.975483, 43.304656)
Estimated Travel Time
Distance: 160 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 18m |
| 40 mph (64.37 km/h) | 02h 29m |
| 50 mph (80.47 km/h) | 01h 59m |
| 60 mph (96.56 km/h) | 01h 39m |
| 70 mph (112.65 km/h) | 01h 25m |
| 80 mph (129 km/h) | 01h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $13.85 | $27.69 |
| Mid-grade | $4.46 | $15.64 | $31.29 |
| Premium | $4.86 | $17.05 | $34.10 |
| Diesel | $6.00 | $21.05 | $42.10 |
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.