How far is Portsmouth, NH from Hudson, NH?

The driving distance from Portsmouth, NH to Hudson, NH is about 54.4 miles (87.6 km), with a travel time of about 01h 03m by car.

  • The straight-line flight distance is about 40.7 miles (65.5 km).
  • For a round trip, plan for roughly 02h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
54.46 mi
01h 03m
Flight
40.7 mi
65.5 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Portsmouth.

Flight Distance

Direct air line
40.7 mi
Kilometers
65.5 km
Flight Time
00h 04m

Driving Distance

Road route
54.46 mi
Kilometers
87.65 km
Drive Time
01h 03m

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 03m.

Arrival Snapshot
Arrive in Hudson
Thu, Apr 23, 3:02 AM EDT
Return by in Portsmouth
Thu, Apr 23, 4:05 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portsmouth
2026-04-23T01:59
Arrive Hudson
Thu, Apr 23, 3:02 AM EDT
Route Timing
01h 03m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:03 AM to 11:03 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Portsmouth
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Plaistow
NH

Town in New Hampshire

From Portsmouth
27.5 mi
00h 31m
To Hudson
27 mi
00h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Portsmouth Weather
NH
Live fallback forecast
56°F
Thursday
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Slight Chance Rain Showers then Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 10 mph W
Destination
59°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

The map below follows the saved road route between Portsmouth and Hudson.

Turn-by-Turn Driving Directions

Step-by-step road directions between Portsmouth and Hudson.

  1. 1

    Start on Congress Street

    124 m · 15 sec · Congress Street

  2. 2

    Turn right onto Fleet Street

    141 m · 17 sec · Fleet Street

  3. 3

    Turn right onto Hanover Street

    662 ft · 27 sec · Hanover Street

  4. 4

    At the end of the road, turn left onto Market Street

    1 mi · 3 min · Market Street

  5. 5

    Take the ramp left toward I 95 South: Hampton, Boston

    1468 ft · 36 sec

  6. 6

    Merge slight left

    9 mi · 11 min

  7. 7

    Keep slight left to continue on Blue Star Turnpike

    7.7 mi · 9 min · Blue Star Turnpike

  8. 8

    Keep slight right to continue on I 495 South: Worcester

    16.3 mi · 19 min

  9. 9

    Take the exit slight right toward MA 213: Methuen, Salem New Hampshire, Manchester-Boston Regional Airport

    1302 ft · 37 sec

  10. 10

    Continue on Loop Connector

    3.3 mi · 4 min · Loop Connector

  11. 11

    Take the exit slight right toward I 93 North: Concord New Hampshire

    1920 ft · 37 sec

  12. 12

    Merge slight right

    1.7 mi · 2 min

  13. 13

    Continue straight

    4.2 mi · 5 min

  14. 14

    Take the exit slight right toward NH 111: Windham, North Salem

    1573 ft · 30 sec

  15. 15

    Keep slight left to continue on NH 111: Windham, North Salem

    137 m · 13 sec

  16. 16

    Turn left onto Indian Rock Road

    2 mi · 4 min · Indian Rock Road

  17. 17

    Continue on Haverhill Road

    3.4 mi · 6 min · Haverhill Road

  18. 18

    Continue on Central Street

    4.2 mi · 8 min · Central Street

  19. 19

    Continue on Central Street

    2578 ft · 1 min · Central Street

  20. 20

    Turn slight right onto Ferry Street

    633 ft · 20 sec · Ferry Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · Ferry Street

Car Route Details

A richer read on the saved driving route between Portsmouth and Hudson.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
6 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
38.5 / 100 mi
Decision points by distance
Main Roads
I 495 South
16.3 mi · 30%
I 95 South
9.25 mi · 17%
Blue Star Turnpike
7.67 mi · 14%
I 93 North
6.24 mi · 11%
Central Street
4.73 mi · 9%
Haverhill Road
3.39 mi · 6%
Longest Stretch

I 495 South

Keep slight right to continue on I 495 South: Worcester

16.3 mi · 00h 19m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 03m
Day trip friendly
Same-Day Return
02h 06m
Round-trip wheel time
Road vs Air
+13.7 mi
40.7 mi direct line
Halfway Stop
Plaistow
00h 31m from Portsmouth
Leave By
4:24 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers then Partly Sunny leaving Portsmouth and Partly Sunny near Hudson.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Portsmouth to Hudson?

The road trip is about 54.4 miles (87.6 km) and usually takes 01h 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?

Plaistow is a useful midpoint, sitting about 27.5 miles from Portsmouth and 27 miles from Hudson.

How much longer is the road route than the straight-line distance?

The direct path is about 40.7 miles (65.5 km), while the road route adds roughly 13.7 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 4:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.57 one way or $15.15 round trip. Estimated CO2 is about 17.1 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 Hudson.

Stop Ideas Near Plaistow

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Plaistow, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Plaistow.

RAIL

Haverhill station

7 mi away
Washington Street at Railroad Square
BUS

Newburyport, Massachusetts

15 mi away
90 Storey Avenue
RAIL

Exeter station

20 mi away
60 Lincoln Street
BUS

Nashua, NH

34 mi away
8 North Southwood Drive

Flight Path Map

This map shows the direct air route between Portsmouth and Hudson. Straight-line distance: 40.7 mi (65.5 km).

Portsmouth

#1 Portsmouth

City in Rockingham County, New Hampshire, United States

Population21,557
Coordinates43.0770400, -70.7576600
Altitude6
CountryUnited States
Hudson

#2 Hudson

Town in New Hampshire

Population25,620
Coordinates42.7648100, -71.4397900
Altitude46
CountryUnited States
Start: Congress Street (-70.757617, 43.077054)
End: Ferry Street (-71.439981, 42.76496)

Estimated Travel Time

Distance: 88 km by road

SpeedTime
30 mph (48.3 km/h)01h 48m
40 mph (64.37 km/h)01h 21m
50 mph (80.47 km/h)01h 05m
60 mph (96.56 km/h)00h 54m
70 mph (112.65 km/h)00h 46m
80 mph (129 km/h)00h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.92 gal
7.27 L · about $7.57
Round trip
$15.15
3.84 gal · 14.54 L
Estimated CO2
17.1 kg one way
Round trip: 34.1 kg / 75 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $7.57 $15.15
Mid-grade $4.46 $8.56 $17.11
Premium $4.86 $9.33 $18.65
Diesel $6.00 $11.51 $23.03

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

There is no time difference between Portsmouth and Hudson. The current time is 01:59:41.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.