How far is Portsmouth, NH from Laconia, NH?
The driving distance from Portsmouth, NH to Laconia, NH is about 56.7 miles (91.3 km), with a travel time of about 01h 25m by car.
- The straight-line flight distance is about 47.5 miles (76.4 km).
- For a round trip, plan for roughly 02h 51m 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 25m.
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.
Town in Strafford County, New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portsmouth and Laconia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Laconia.
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1
Start on Congress Street
954 ft · 34 sec · Congress Street
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2
Turn right onto Maplewood Avenue
1.1 km · 2 min · Maplewood Avenue
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3
Turn left onto Cutts Street
139 m · 16 sec · Cutts Street
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4
Turn slight right
1 km · 1 min
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5
Exit the rotary onto NH 16 North: Concord, Rochester
2261 ft · 51 sec
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6
Take the exit straight
961 ft · 15 sec
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7
Keep slight left to continue on Spaulding Turnpike North, NH 16 North, US 4 West
1364 ft · 21 sec
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8
Merge slight left onto Spaulding Turnpike
20 mi · 26 min · Spaulding Turnpike
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9
Take the exit slight right toward NH 11 West: Farmington, Alton
1684 ft · 59 sec
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10
Turn left onto Farmington Road
2.3 mi · 4 min · Farmington Road
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11
Continue on NH Route 11
6.1 mi · 9 min · NH Route 11
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12
Continue on Henry Wilson Highway
6.2 mi · 9 min · Henry Wilson Highway
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13
Enter the roundabout and take exit 2 toward the route
604 ft · 17 sec
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14
Exit the roundabout
1.7 mi · 3 min
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15
Turn left onto Bay Hill Road
2180 ft · 1 min · Bay Hill Road
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16
Turn slight left onto East Side Drive
54 m · 5 sec · East Side Drive
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17
Turn right onto Main Street
711 ft · 21 sec · Main Street
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18
Continue on Mt. Major Highway
2.1 mi · 4 min · Mt. Major Highway
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19
Continue on Mount Major Highway
4.4 mi · 6 min · Mount Major Highway
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20
Turn left onto Cherry Valley Road
1.2 mi · 2 min · Cherry Valley Road
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21
Continue on Mountain Road
755 ft · 16 sec · Mountain Road
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22
Continue on Cherry Valley Road
6.4 mi · 12 min · Cherry Valley Road
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23
Continue on Gilford Avenue
3.3 mi · 6 min · Gilford Avenue
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24
Turn left onto Union Avenue
154 m · 16 sec · Union Avenue
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25
Turn slight right onto Church Street
2026 ft · 60 sec · Church Street
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26
Continue on Veterans Square
144 m · 20 sec · Veterans Square
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27
Turn left onto Pleasant Street
557 ft · 15 sec · Pleasant Street
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28
Arrive at your destination
0 m · 1 sec · Pleasant Street
Car Route Details
A richer read on the saved driving route between Portsmouth and Laconia.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Spaulding Turnpike
Merge slight left onto Spaulding Turnpike
20 mi · 00h 26m
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.
Mostly Clear leaving Portsmouth and Slight Chance Rain Showers then Mostly Sunny near Laconia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Laconia?
The road trip is about 56.7 miles (91.3 km) and usually takes 01h 25m 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?
Farmington is a useful midpoint, sitting about 29 miles from Portsmouth and 27.7 miles from Laconia.
How much longer is the road route than the straight-line distance?
The direct path is about 47.5 miles (76.4 km), while the road route adds roughly 9.2 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 3:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.89 one way or $15.78 round trip. Estimated CO2 is about 17.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Portsmouth and Slight Chance Rain Showers then Mostly Sunny near Laconia.
Stop Ideas Near Farmington
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 Farmington.
Dover Transportation Center
Durham–UNH station
Wells Regional Transportation Center
Tilton, New Hampshire
Flight Path Map
This map shows the direct air route between Portsmouth and Laconia. Straight-line distance: 47.48 mi (76.41 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 Laconia
City in New Hampshire, United States
| Population | 16,646 |
| Coordinates | 43.5278500, -71.4703500 |
| Altitude | 153 |
| Country | United States |
End: Pleasant Street (-71.470434, 43.527752)
Estimated Travel Time
Distance: 91 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 53m |
| 40 mph (64.37 km/h) | 01h 25m |
| 50 mph (80.47 km/h) | 01h 08m |
| 60 mph (96.56 km/h) | 00h 56m |
| 70 mph (112.65 km/h) | 00h 48m |
| 80 mph (129 km/h) | 00h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $7.89 | $15.78 |
| Mid-grade | $4.46 | $8.91 | $17.83 |
| Premium | $4.86 | $9.72 | $19.43 |
| Diesel | $6.00 | $11.99 | $23.99 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.