How far is Tamworth, NH from Portsmouth, NH?
The driving distance from Tamworth, NH to Portsmouth, NH is about 67.9 miles (109.2 km), with a travel time of about 01h 25m by car.
- The straight-line flight distance is about 59.7 miles (96.1 km).
- For a round trip, plan for roughly 02h 50m 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 25m.
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.
Town in Strafford County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Tamworth and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tamworth and Portsmouth.
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1
Start on Main Street
6 m · 1 sec · Main Street
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2
Keep slight right to continue on Main Street
52 m · 9 sec · Main Street
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3
Turn right onto Tamworth Road
1.3 km · 2 min · Tamworth Road
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4
Turn left onto Depot Road
3.4 mi · 7 min · Depot Road
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5
Turn right onto White Mountain Highway
27.7 mi · 42 min · White Mountain Highway
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6
Continue on Spaulding Turnpike
32.3 mi · 43 min · Spaulding Turnpike
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7
Take the exit slight left toward I 95 North
1.5 km · 2 min
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8
Enter the roundabout and take exit 3 toward Portsmouth Traffic Circle
692 ft · 20 sec
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9
Exit the rotary onto US 1 Bypass North: Portsmouth, Woodbury Avenue
1.6 km · 2 min
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10
Turn left onto Submarine Way
566 ft · 18 sec · Submarine Way
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11
Turn right onto Market Street
1 km · 2 min · Market Street
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12
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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13
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Tamworth and Portsmouth.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Spaulding Turnpike
Continue on Spaulding Turnpike
32.3 mi · 00h 43m
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.
Sunny leaving Tamworth and Sunny near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tamworth to Portsmouth?
The road trip is about 67.9 miles (109.2 km) and usually takes 01h 25m 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?
Milton is a useful midpoint, sitting about 33.4 miles from Tamworth and 34.4 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 59.7 miles (96.1 km), while the road route adds roughly 8.2 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 3:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.31 one way or $20.61 round trip. Estimated CO2 is about 21.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Tamworth and Sunny near Portsmouth.
Stop Ideas Near Milton
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 Milton.
Dover Transportation Center
Durham–UNH station
Wells Regional Transportation Center
Portsmouth, New Hampshire
Flight Path Map
This map shows the direct air route between Tamworth and Portsmouth. Straight-line distance: 59.73 mi (96.12 km).
#1 Tamworth
Town in New Hampshire
| Population | 3,094 |
| Coordinates | 43.8598000, -71.2631300 |
| Altitude | 158 |
| Country | United States |
#2 Portsmouth
City in Rockingham County, New Hampshire, United States
| Population | 21,557 |
| Coordinates | 43.0770400, -70.7576600 |
| Altitude | 6 |
| Country | United States |
End: Congress Street (-70.757617, 43.077054)
Estimated Travel Time
Distance: 109 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 15m |
| 40 mph (64.37 km/h) | 01h 41m |
| 50 mph (80.47 km/h) | 01h 21m |
| 60 mph (96.56 km/h) | 01h 07m |
| 70 mph (112.65 km/h) | 00h 58m |
| 80 mph (129 km/h) | 00h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.29 | $10.31 | $20.61 |
| Mid-grade | $4.88 | $11.72 | $23.44 |
| Premium | $5.34 | $12.81 | $25.62 |
| Diesel | $6.35 | $15.24 | $30.49 |
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 · Oct 15, 2026