How far is Portsmouth, NH from Tilton, NH?

The driving distance from Portsmouth, NH to Tilton, NH is about 62.3 miles (100.3 km), with a travel time of about 01h 34m by car.

  • The straight-line flight distance is about 48.8 miles (78.6 km).
  • For a round trip, plan for roughly 03h 09m 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
62.31 mi
01h 34m
Flight
48.85 mi
78.62 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
48.85 mi
Kilometers
78.62 km
Flight Time
00h 05m

Driving Distance

Road route
62.31 mi
Kilometers
100.28 km
Drive Time
01h 34m

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 34m.

Arrival Snapshot
Arrive in Tilton
Thu, Oct 15, 10:21 PM EDT
Return by in Portsmouth
Thu, Oct 15, 11:56 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portsmouth
2026-10-15T20:46
Arrive Tilton
Thu, Oct 15, 10:21 PM EDT
Route Timing
01h 34m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:35 AM to 11:35 AM EDT

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

Leave by
3:20 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
Epsom
NH

Epsom, New Hampshire

From Portsmouth
31.1 mi
00h 47m
To Tilton
31.2 mi
00h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Portsmouth Weather
NH
Live fallback forecast
43°F
Tonight
Using Greenland as the closest live forecast in the Rockingham County weather hub.

Mostly Cloudy

Starts
Thu, Oct 15 7:00 PM EDT
Wind
0 to 5 mph S
Destination
57°F
Today

Sunny

Starts
Thu, Oct 15 9:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Congress Street

    954 ft · 34 sec · Congress Street

  2. 2

    Turn right onto Maplewood Avenue

    1.1 km · 2 min · Maplewood Avenue

  3. 3

    Turn left onto Cutts Street

    139 m · 16 sec · Cutts Street

  4. 4

    Turn slight right

    1 km · 1 min

  5. 5

    Exit the rotary onto NH 16 North: Concord, Rochester

    2261 ft · 51 sec

  6. 6

    Take the exit straight

    961 ft · 15 sec

  7. 7

    Keep slight left to continue on Spaulding Turnpike North, NH 16 North, US 4 West

    1364 ft · 21 sec

  8. 8

    Merge slight left onto Spaulding Turnpike

    3.8 mi · 5 min · Spaulding Turnpike

  9. 9

    Take the exit slight right toward US 4: Dover Point Road, Durham-UNH, Concord

    1594 ft · 39 sec

  10. 10

    Keep slight left to continue on US 4: Durham-UNH, Concord

    72 m · 8 sec

  11. 11

    Turn left

    1833 ft · 52 sec

  12. 12

    Enter the roundabout and take exit 2 toward Boston Harbor Road

    37 m · 3 sec · Boston Harbor Road

  13. 13

    Exit the roundabout onto Boston Harbor Road

    811 ft · 22 sec · Boston Harbor Road

  14. 14

    Continue on Scammell Bridge

    1132 ft · 28 sec · Scammell Bridge

  15. 15

    Continue on Piscataqua Road

    8.8 mi · 14 min · Piscataqua Road

  16. 16

    Enter the roundabout and take exit 2 toward Lee Circle

    48 m · 5 sec · Concord Road

  17. 17

    Exit the rotary onto Concord Road

    2575 ft · 56 sec · Concord Road

  18. 18

    Continue on Old Concord Turnpike

    1.8 mi · 3 min · Old Concord Turnpike

  19. 19

    Continue on Old Turnpike Road

    5.1 mi · 7 min · Old Turnpike Road

  20. 20

    Continue on First New Hampshire Turnpike

    7.8 mi · 13 min · First New Hampshire Turnpike

  21. 21

    Continue on Dover Road

    4.3 mi · 7 min · Dover Road

  22. 22

    Enter the roundabout and take exit 2 toward Epsom Circle

    81 m · 7 sec · Dover Road

  23. 23

    Exit the rotary onto Dover Road

    4.9 mi · 8 min · Dover Road

  24. 24

    Keep slight right

    4.6 mi · 7 min

  25. 25

    Take the exit slight right toward I 93 North, US 4 West: Plymouth

    15.7 mi · 18 min

  26. 26

    Take the exit slight right toward NH 132: Northfield, Franklin

    1220 ft · 45 sec

  27. 27

    Turn left onto Highland Mountain Road

    1017 ft · 29 sec · Highland Mountain Road

  28. 28

    Turn slight right onto Summer Street

    83 m · 8 sec

  29. 29

    Turn straight onto Summer Street

    3228 ft · 2 min · Summer Street

  30. 30

    Continue on Elm Street

    851 ft · 25 sec · Elm Street

  31. 31

    Turn right onto School Street

    81 m · 11 sec · School Street

  32. 32

    Turn left onto Main Street

    29 m · 5 sec · Main Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

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

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
33 steps
21 turns on the saved route
Ramps & Exits
12
1 merges, 11 ramps or exits
Navigation Density
53 / 100 mi
Decision points by distance
Main Roads
I 93 North
15.7 mi · 25%
Dover Road
13.8 mi · 22%
Piscataqua Road
8.85 mi · 14%
First New Hampshire Turnpike
7.78 mi · 12%
Old Turnpike Road
5.06 mi · 8%
Spaulding Turnpike
3.8 mi · 6%
Longest Stretch

I 93 North

Take the exit slight right toward I 93 North, US 4 West: Plymouth

15.7 mi · 00h 18m

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 34m
Day trip friendly
Same-Day Return
03h 10m
Round-trip wheel time
Road vs Air
+13.5 mi
48.8 mi direct line
Halfway Stop
Epsom
00h 47m from Portsmouth
Leave By
3:20 PM EDT
Morning start is best
Weather Watch

Mostly Cloudy leaving Portsmouth and Sunny near Tilton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 62.3 miles (100.3 km) and usually takes 01h 34m 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?

Epsom is a useful midpoint, sitting about 31.1 miles from Portsmouth and 31.2 miles from Tilton.

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

The direct path is about 48.8 miles (78.6 km), while the road route adds roughly 13.5 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 3:20 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.45 one way or $18.89 round trip. Estimated CO2 is about 19.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Portsmouth and Sunny near Tilton.

Stop Ideas Near Epsom

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

Mid-route Guidance
Local place coverage is thin around Epsom, 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 Epsom.

BUS

Concord, New Hampshire

16 mi away
30 Stickney Ave.
BUS

Manchester, New Hampshire

28 mi away
119 Canal St.
BUS

Tilton, New Hampshire

32 mi away
I-93 and US hwy 3
RAIL

Durham–UNH station

33 mi away
3 Depot Road

Flight Path Map

This map shows the direct air route between Portsmouth and Tilton. Straight-line distance: 48.85 mi (78.62 km).

Portsmouth

#1 Portsmouth

City in Rockingham County, New Hampshire, United States

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

#2 Tilton

Town located in New Hampshire, United States

Population3,556
Coordinates43.4423000, -71.5889600
Altitude139
CountryUnited States
Start: Portsmouth (-70.75766, 43.07704)
End: Tilton (-71.58896, 43.4423)

Estimated Travel Time

Distance: 100 km by road

SpeedTime
30 mph (48.3 km/h)02h 04m
40 mph (64.37 km/h)01h 33m
50 mph (80.47 km/h)01h 14m
60 mph (96.56 km/h)01h 02m
70 mph (112.65 km/h)00h 53m
80 mph (129 km/h)00h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.2 gal
8.32 L · about $9.45
Round trip
$18.89
4.4 gal · 16.64 L
Estimated CO2
19.6 kg one way
Round trip: 39.1 kg / 86 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.29 $9.45 $18.89
Mid-grade $4.88 $10.74 $21.49
Premium $5.34 $11.74 $23.48
Diesel $6.35 $13.97 $27.95

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

There is no time difference between Portsmouth and Tilton. The current time is 20:46:34.

Distance to Other Cities

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