How far is Seabrook, NH from Rochester, NH?
The driving distance from Seabrook, NH to Rochester, NH is about 34.3 miles (55.2 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 28.8 miles (46.3 km).
- For a round trip, plan for roughly 01h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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.
Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Seabrook and Rochester.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seabrook and Rochester.
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1
Start on the route
21 m · 7 sec
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2
Turn left onto Lafayette Road
585 ft · 20 sec · Lafayette Road
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3
Turn right
1560 ft · 31 sec
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4
Take the ramp slight right toward I 95 North: Hampton, Portsmouth
1387 ft · 34 sec
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5
Merge slight left onto Blue Star Turnpike
4.3 mi · 5 min · Blue Star Turnpike
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6
Keep slight left to continue on Blue Star Turnpike
7.8 mi · 9 min · Blue Star Turnpike
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7
Keep slight left to continue on Spaulding Turnpike
19 mi · 25 min · Spaulding Turnpike
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8
Take the exit slight right toward Old Dover Road, Rochester
1876 ft · 1 min · Exit 11
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9
Turn left onto Old Dover Road
2465 ft · 1 min · Old Dover Road
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10
Turn right onto Columbus Avenue
1.2 km · 2 min · Columbus Avenue
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11
Turn left onto South Main Street
1684 ft · 52 sec · South Main Street
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12
Turn right onto Museum Way
37 m · 5 sec · Museum Way
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13
Turn right
17 m · 4 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 Seabrook and Rochester.
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
Keep slight left to continue on Spaulding Turnpike
19 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Seabrook and Slight Chance Rain Showers then Mostly Sunny near Rochester.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seabrook to Rochester?
The road trip is about 34.3 miles (55.2 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Newington is a useful midpoint, sitting about 16.8 miles from Seabrook and 17.4 miles from Rochester.
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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:06 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 Mostly Sunny around Seabrook and Slight Chance Rain Showers then Mostly Sunny near Rochester.
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 Seabrook and Rochester. Straight-line distance: 28.79 mi (46.34 km).
#1 Seabrook
Town in New Hampshire, United States
| Population | 8,844 |
| Coordinates | 42.8948100, -70.8711600 |
| Altitude | 15 |
| Country | United States |
#2 Rochester
City in Strafford County, New Hampshire, United States
| Population | 31,719 |
| Coordinates | 43.3045300, -70.9756200 |
| Altitude | 70 |
| Country | United States |
End: (-70.975483, 43.304656)
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.