How far is Portsmouth, NH from Keene, NH?
The driving distance from Portsmouth, NH to Keene, NH is about 106.3 miles (171.1 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 77.5 miles (124.7 km).
- For a round trip, plan for roughly 03h 40m 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 50m.
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.
City in Merrimack County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and Keene.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Keene.
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1
Start on Congress Street
124 m · 15 sec · Congress Street
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2
Turn right onto Fleet Street
141 m · 17 sec · Fleet Street
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3
Turn right onto Hanover Street
662 ft · 27 sec · Hanover Street
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4
At the end of the road, turn left onto Market Street
1 mi · 3 min · Market Street
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5
Take the ramp left toward I 95 South: Hampton, Boston
1468 ft · 36 sec
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6
Merge slight left
8.8 mi · 11 min
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7
Take the exit slight right toward NH 101: Hampton, Manchester
3185 ft · 1 min
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8
Keep slight right to continue on 101 West: Manchester, Concord, Exeter
2083 ft · 51 sec
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9
Merge slight left onto Exeter-Hampton Expressway
30.4 mi · 35 min · Exeter-Hampton Expressway
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10
Take the exit slight right toward I 93 North: Concord
2480 ft · 38 sec
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11
Merge slight left
6.4 mi · 8 min
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12
Keep slight left to continue on Everett Turnpike
7 mi · 8 min · Everett Turnpike
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13
Take the exit slight right toward I 89 North: Lebanon, White River Junction Vermont
2720 ft · 1 min
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14
Keep slight right to continue on I 89 North: Lebanon, White River Junction Vermont
1236 ft · 43 sec
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15
Merge slight left
8.1 mi · 10 min
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16
Take the exit slight left toward US 202 West, NH 9 West: Henniker, Keene
1.5 km · 1 min
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17
Continue straight
15.5 mi · 21 min
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18
Continue on West Main Street
1.9 mi · 3 min · West Main Street
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19
Continue on Keene Road
5.7 mi · 8 min · Keene Road
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20
Continue on Route 9
6.7 mi · 9 min · Route 9
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21
Continue on Franklin Pierce Highway
3.3 mi · 4 min · Franklin Pierce Highway
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22
Continue on Route 9
1.8 mi · 3 min · Route 9
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23
Continue on NH Route 9
1.5 mi · 3 min · NH Route 9
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24
Continue on Route 9
3.4 mi · 5 min · Route 9
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25
Turn left onto Washington Street
1.7 mi · 4 min · Washington Street
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26
Turn right onto Central Square
66 m · 7 sec · Central Square
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27
Continue on Central Square
76 m · 9 sec · Central Square
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28
Turn left onto Roxbury Street
39 m · 3 sec · Roxbury Street
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29
Arrive at your destination
0 m · 1 sec · Roxbury Street
Car Route Details
A richer read on the saved driving route between Portsmouth and Keene.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Exeter-Hampton Expressway
Merge slight left onto Exeter-Hampton Expressway
30.4 mi · 00h 35m
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.
Slight Chance Rain Showers then Partly Sunny leaving Portsmouth and Partly Sunny near Keene.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Keene?
The road trip is about 106.3 miles (171.1 km) and usually takes 01h 50m 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?
Bow Bog is a useful midpoint, sitting about 53.3 miles from Portsmouth and 53 miles from Keene.
How much longer is the road route than the straight-line distance?
The direct path is about 77.5 miles (124.7 km), while the road route adds roughly 28.8 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 2:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.79 one way or $29.59 round trip. Estimated CO2 is about 33.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Portsmouth and Partly Sunny near Keene.
Stop Ideas Near Bow Bog
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 Bow Bog.
Concord, New Hampshire
Manchester, New Hampshire
Tilton, New Hampshire
Nashua, NH
Flight Path Map
This map shows the direct air route between Portsmouth and Keene. Straight-line distance: 77.46 mi (124.66 km).
#1 Portsmouth
City in Rockingham County, New Hampshire, United States
| Population | 21,557 |
| Coordinates | 43.0770400, -70.7576600 |
| Altitude | 6 |
| Country | United States |
#2 Keene
City in New Hampshire, United States
| Population | 22,699 |
| Coordinates | 42.9336900, -72.2781400 |
| Altitude | 148 |
| Country | United States |
End: Roxbury Street (-72.278098, 42.933721)
Estimated Travel Time
Distance: 171 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 32m |
| 40 mph (64.37 km/h) | 02h 39m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $14.79 | $29.59 |
| Mid-grade | $4.46 | $16.71 | $33.43 |
| Premium | $4.86 | $18.22 | $36.43 |
| Diesel | $6.00 | $22.49 | $44.98 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.