How far is Newton, NH from Portsmouth, NH?
Fastest route
The distance between Newton, New Hampshire 03858, and Portsmouth, New Hampshire 03801, is approximately 26.5 miles (42.6 kilometers). The estimated travel time is around 39 minutes. The route includes tolls and passes through NH-107A S and I-95 N.
Directions
- 🚗 Head north on Highland St toward Chase Rd.
- 🗺️ Take Chase Rd to NH-107A S in South Hampton.
- 🚗 Continue on NH-107A S.
- 🛣️ Take I-95 N to Summer St in Portsmouth.
- 🚗 Turn right onto NH-107A S, entering Massachusetts.
- 🚗 Continue onto S Hampton Rd and Congress St.
- 🚗 Turn left to stay on Main St, a toll road entering New Hampshire.
- 🛣️ Keep left at the fork to stay on I-95 N, a toll road.
- 🗺️ Take exit 3 for NH-33 toward Greenland/Portsmouth.
- 🚗 Turn right onto NH-33 E/Greenland Rd.
- 🚗 Continue to follow NH-33 E.
- 🚗 Slight left onto Middle Street in Portsmouth, New Hampshire 03801.
Tips & Suggestions
- ⏰ Plan your trip during off-peak hours to avoid heavy traffic and reduce travel time.
- 🛣️ Be prepared with some cash or an electronic toll-paying device for the toll roads on the route.
- 🚗 Check real-time traffic updates and consider alternate routes if there are any road closures or accidents.
- 🍽️ Pack some snacks and drinks for the journey, especially if you're traveling with kids or have a long journey ahead.
- 🛣️ Familiarize yourself with the route in advance to avoid missing any turns or exits.
- 🚘 Ensure your vehicle is in good condition and has enough fuel for the trip.
- 🗺️ Use a GPS navigation system or a maps app to get real-time directions and updates during the journey.
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 33m.
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 Newton and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Newton and Portsmouth.
-
1
Start on Highland Street
17 m · 3 sec · Highland Street
-
2
Turn right onto South Main Street
1.2 km · 2 min · South Main Street
-
3
Turn left onto Merrimac Road
2028 ft · 50 sec · Merrimac Road
-
4
Keep slight left to continue on Merrimac Road
921 ft · 22 sec · Merrimac Road
-
5
Continue on Highland Road
1.5 mi · 4 min · Highland Road
-
6
Continue on Church Street
1.6 km · 2 min · Church Street
-
7
Enter the roundabout and take exit 3 toward East Main Street
40 m · 3 sec · East Main Street
-
8
Exit the roundabout onto East Main Street
565 ft · 13 sec · East Main Street
-
9
Turn right onto Broad Street
3266 ft · 1 min · Broad Street
-
10
Take the ramp left toward I 495 North: Salisbury
1099 ft · 26 sec
-
11
Merge slight left
5.7 mi · 7 min
-
12
Merge slight left
6.7 mi · 8 min
-
13
Keep slight left to continue on Blue Star Turnpike
7.8 mi · 9 min · Blue Star Turnpike
-
14
Keep slight right to continue on Blue Star Turnpike
1.9 mi · 3 min · Blue Star Turnpike
-
15
Take the exit slight right
1313 ft · 35 sec
-
16
Turn right onto Market Street
1 mi · 3 min · Market Street
-
17
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
-
18
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Newton and Portsmouth.
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.
Blue Star Turnpike
Keep slight left to continue on Blue Star Turnpike
7.83 mi · 00h 09m
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 Newton and Sunny near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Newton to Portsmouth?
The road trip is about 28.1 miles (45.3 km) and usually takes 00h 33m 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 miles from Newton and 14.1 miles from Portsmouth.
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 8.1 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 7:00 AM to 7:00 PM EST. If you want a more comfortable same-day return, try to leave by 7:24 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.13 one way or $8.27 round trip. Estimated CO2 is about 8.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Newton and Sunny near Portsmouth.
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 Newton and Portsmouth. Straight-line distance: 20.03 mi (32.24 km).
#1 Newton
Town in New Hampshire, in the United States
| Population | 4,934 |
| Coordinates | 42.8695300, -71.0345000 |
| Altitude | 61 |
| 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: 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 | $4.13 | $8.27 |
| Mid-grade | $4.79 | $4.74 | $9.48 |
| Premium | $5.26 | $5.20 | $10.41 |
| Diesel | $6.34 | $6.28 | $12.55 |
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