How far is Tilton, NH from Portsmouth, NH?
The driving distance from Tilton, NH to Portsmouth, NH is about 63 miles (101.4 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 48.8 miles (78.6 km).
- For a round trip, plan for roughly 02h 34m 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 17m.
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.
Epsom, New Hampshire
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 Tilton and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tilton and Portsmouth.
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1
Start on Main Street
817 ft · 32 sec · Main Street
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2
Turn left onto Park Street
1.5 km · 2 min · Park Street
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3
Take the ramp slight right toward I 93 South
2085 ft · 51 sec
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4
Merge slight left onto Styles Bridges Highway
1884 ft · 23 sec · Styles Bridges Highway
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5
Continue on Senator Styles Bridges Highway
15.4 mi · 18 min · Senator Styles Bridges Highway
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6
Take the exit slight right toward I 393 East, US 4 East, US 202 East: Loudon, Portsmouth
10 mi · 16 min
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7
Enter the roundabout and take exit 2 toward Epsom Circle
76 m · 6 sec · Dover Road
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8
Exit the rotary onto Dover Road
4.3 mi · 7 min · Dover Road
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9
Continue on First New Hampshire Turnpike
7.8 mi · 13 min · First New Hampshire Turnpike
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10
Continue on Old Turnpike Road
5.1 mi · 7 min · Old Turnpike Road
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11
Continue on Old Concord Turnpike
1.8 mi · 3 min · Old Concord Turnpike
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12
Continue on Concord Road
2565 ft · 56 sec · Concord Road
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13
Enter the roundabout and take exit 2 toward Lee Circle
50 m · 5 sec · Concord Road
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14
Exit the rotary onto Concord Road
8.9 mi · 14 min · Concord Road
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15
Continue on Scammell Bridge
1132 ft · 28 sec · Scammell Bridge
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16
Continue on Boston Harbor Road
812 ft · 22 sec · Boston Harbor Road
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17
Enter the roundabout and take exit 2 toward the route
54 m · 4 sec
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18
Exit the roundabout
684 ft · 17 sec
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19
Take the exit slight right
2827 ft · 1 min
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20
Merge slight left onto Spaulding Turnpike
3.5 mi · 5 min · Spaulding Turnpike
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21
Take the exit slight left toward I 95 North
1.5 km · 2 min
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22
Enter the roundabout and take exit 3 toward Portsmouth Traffic Circle
692 ft · 20 sec
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23
Exit the rotary onto US 1 Bypass North: Portsmouth, Woodbury Avenue
1.6 km · 2 min
-
24
Turn left onto Submarine Way
566 ft · 18 sec · Submarine Way
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25
Turn right onto Market Street
1 km · 2 min · Market Street
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26
At the end of the road, turn right onto Congress Street
16 m · 1 sec · Congress Street
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27
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Tilton 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.
Senator Styles Bridges Highway
Continue on Senator Styles Bridges Highway
15.4 mi · 00h 18m
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 Tilton and Sunny near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tilton to Portsmouth?
The road trip is about 63 miles (101.4 km) and usually takes 01h 17m 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 31.4 miles from Tilton and 31.6 miles from Portsmouth.
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 14.2 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 3:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.53 one way or $19.07 round trip. Estimated CO2 is about 19.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Tilton and Sunny near Portsmouth.
Stop Ideas Near Epsom
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 Epsom.
Concord, New Hampshire
Manchester, New Hampshire
Tilton, New Hampshire
Durham–UNH station
Flight Path Map
This map shows the direct air route between Tilton and Portsmouth. Straight-line distance: 48.85 mi (78.62 km).
#1 Tilton
Town located in New Hampshire, United States
| Population | 3,556 |
| Coordinates | 43.4423000, -71.5889600 |
| Altitude | 139 |
| 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: 101 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 05m |
| 40 mph (64.37 km/h) | 01h 34m |
| 50 mph (80.47 km/h) | 01h 15m |
| 60 mph (96.56 km/h) | 01h 03m |
| 70 mph (112.65 km/h) | 00h 54m |
| 80 mph (129 km/h) | 00h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.29 | $9.53 | $19.07 |
| Mid-grade | $4.88 | $10.84 | $21.68 |
| Premium | $5.34 | $11.85 | $23.70 |
| Diesel | $6.35 | $14.10 | $28.20 |
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