How far is Portsmouth, NH from Newton, NH?
The driving distance from Portsmouth, NH to Newton, NH is about 28.3 miles (45.5 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 20 miles (32.2 km).
- For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Rockingham 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 Portsmouth and Newton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Newton.
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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
9 mi · 11 min
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7
Keep slight left to continue on Blue Star Turnpike
7.7 mi · 9 min · Blue Star Turnpike
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8
Keep slight right to continue on I 495 South: Worcester
5.5 mi · 6 min
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9
Take the exit slight right toward Merrimac, Merrimacport
1246 ft · 35 sec
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10
Turn right onto Broad Street
2227 ft · 54 sec · Broad Street
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11
At the end of the road, turn left onto East Main Street
615 ft · 12 sec · East Main Street
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12
Enter the roundabout and take exit 1 toward Church Street
7 m · 1 sec · Church Street
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13
Exit the roundabout onto Church Street
1.6 km · 2 min · Church Street
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14
Continue on Highland Road
1.5 mi · 4 min · Highland Road
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15
Continue on Merrimac Road
2948 ft · 1 min · Merrimac Road
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16
Turn slight right onto South Main Street
1.2 km · 2 min · South Main Street
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17
Turn left onto Highland Street
17 m · 2 sec · Highland Street
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18
Arrive at your destination
0 m · 1 sec · Highland Street
Car Route Details
A richer read on the saved driving route between Portsmouth and Newton.
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.
I 95 South
Merge slight left
8.97 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Portsmouth and Sunny near Newton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Newton?
The road trip is about 28.3 miles (45.5 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Hampton Falls is a useful midpoint, sitting about 14.1 miles from Portsmouth and 14.2 miles from Newton.
How much longer is the road route than the straight-line distance?
The direct path is about 20 miles (32.2 km), while the road route adds roughly 8.3 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 7:00 AM to 7:00 PM EST. If you want a more comfortable same-day return, try to leave by 7:08 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.18 one way or $8.35 round trip. Estimated CO2 is about 8.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Portsmouth and Sunny near Newton.
Stop Ideas Near Hampton Falls
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Portsmouth City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hampton Falls.
Exeter station
Newburyport, Massachusetts
Portsmouth, New Hampshire
Haverhill station
Flight Path Map
This map shows the direct air route between Portsmouth and Newton. Straight-line distance: 20.03 mi (32.24 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 Newton
Town in New Hampshire, in the United States
| Population | 4,934 |
| Coordinates | 42.8695300, -71.0345000 |
| Altitude | 61 |
| Country | United States |
End: Newton (-71.0345, 42.86953)
Estimated Travel Time
Distance: 45 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 56m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.18 | $4.18 | $8.35 |
| Mid-grade | $4.79 | $4.79 | $9.58 |
| Premium | $5.26 | $5.26 | $10.51 |
| Diesel | $6.34 | $6.34 | $12.68 |
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 · Nov 01, 2026