How far is Rochester, NH from Seabrook, NH?
The driving distance from Rochester, NH to Seabrook, NH is about 34.3 miles (55.2 km), with a travel time of about 00h 47m by car.
- The straight-line flight distance is about 28.8 miles (46.3 km).
- For a round trip, plan for roughly 01h 35m 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 00h 47m.
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 New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Rochester and Seabrook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rochester and Seabrook.
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1
Start on the route
17 m · 6 sec
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2
Turn right onto Museum Way
550 ft · 20 sec · Museum Way
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3
Turn right onto Columbus Avenue
1.6 mi · 4 min · Columbus Avenue
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4
Continue on Gonic Road
728 ft · 25 sec · Gonic Road
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5
Take the exit left toward NH 16 Onramp South
1622 ft · 29 sec · NH 16 Onramp South
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6
Merge slight left onto Spaulding Turnpike
18.9 mi · 25 min · Spaulding Turnpike
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7
Merge slight left onto Blue Star Turnpike
7.3 mi · 9 min · Blue Star Turnpike
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8
Keep slight left to continue on Blue Star Turnpike
5 mi · 6 min · Blue Star Turnpike
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9
Take the exit slight right toward NH 107: Seabrook, Kingston
1656 ft · 55 sec
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10
Turn left
2623 ft · 55 sec
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11
Turn left onto Lafayette Road
617 ft · 22 sec · Lafayette Road
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12
Turn right
99 m · 31 sec
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13
Turn sharp left
76 m · 18 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Rochester and Seabrook.
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.
Spaulding Turnpike
Merge slight left onto Spaulding Turnpike
18.9 mi · 00h 25m
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.
Slight Chance Rain Showers then Mostly Sunny leaving Rochester and Mostly Sunny near Seabrook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rochester to Seabrook?
The road trip is about 34.3 miles (55.2 km) and usually takes 00h 47m 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?
Newington is a useful midpoint, sitting about 17.1 miles from Rochester and 17.1 miles from Seabrook.
How much longer is the road route than the straight-line distance?
The direct path is about 28.8 miles (46.3 km), while the road route adds roughly 5.5 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 4:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.77 one way or $9.55 round trip. Estimated CO2 is about 10.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Mostly Sunny around Rochester and Mostly Sunny near Seabrook.
Stop Ideas Near Newington
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall
Dover City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Newington.
Portsmouth, New Hampshire
Durham–UNH station
Dover Transportation Center
Exeter station
Flight Path Map
This map shows the direct air route between Rochester and Seabrook. Straight-line distance: 28.79 mi (46.34 km).
#1 Rochester
City in Strafford County, New Hampshire, United States
| Population | 31,719 |
| Coordinates | 43.3045300, -70.9756200 |
| Altitude | 70 |
| Country | United States |
#2 Seabrook
Town in New Hampshire, United States
| Population | 8,844 |
| Coordinates | 42.8948100, -70.8711600 |
| Altitude | 15 |
| Country | United States |
End: Seabrook (-70.87116, 42.89481)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 08m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.77 | $9.55 |
| Mid-grade | $4.46 | $5.39 | $10.79 |
| Premium | $4.86 | $5.88 | $11.76 |
| Diesel | $6.00 | $7.26 | $14.51 |
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 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.