Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
1h 13m
Distance
43.4 mi
70 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Boscawen, NH
James Mirakian
Rochester, NH
Wikimedia Commons
The drive from Boscawen, NH to Rochester, NH covers 43.4 miles and takes about 1h 13m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on US 4, Washington Street, First New Hampshire Turnpike for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 15.8 miles on US 4. At current regular gas prices, budget about $6.99 one way before food or hotel costs.
| Road | Distance | Duration |
|---|---|---|
| US 4 | 15.8 mi | 23m |
| Washington Street | 7.6 mi | 14m |
| First New Hampshire Turnpike | 7.1 mi | 11m |
| Dover Road | 4.3 mi | 7m |
| Barrington Road | 3.6 mi | 6m |
| King Street | 2.8 mi | 5m |
| Rochester Road | 1.4 mi | 2m |
| North Main Street | 0.4 mi | 1m |
Step-by-step road directions between Boscawen, NH and Rochester, NH.
Start on The Acre
Turn right onto US 3; US 4
Keep slight left at fork onto US 4
Enter roundabout onto US 4
Continue on US 4
Enter roundabout onto US 4
Continue on US 4
Take the ramp onto US 4
Take the exit onto US 4
Enter roundabout onto US 4; US 202; NH 9
Continue on US 4; US 202; NH 9
Continue on US 4; US 202; NH 9; NH 107
Turn left onto US 202; NH 9
Continue on US 202; NH 9
Turn left onto US 202
Continue on NH 202A
Turn slight left
Turn slight left onto NH 202A
Turn right onto Museum Way
Turn right
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
22 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 10 miles helps settle the day before fatigue starts building.
The midpoint is around 21.7 miles from Boscawen, NH, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
5 decision points cluster between mile 0.9 and 35.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Keep slight left at fork onto US 4 / King Street
Highway fork - watch signs carefully
Take the ramp onto US 4 toward I 93 South
Lane positioning matters here
Take the exit onto US 4 toward I 393 East, US 4 East, US 202 East: Loudon, Portsmouth
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Turn left onto US 202; NH 9 / Rochester Road
Lane positioning matters here
Turn left onto US 202 / Washington Street
Lane positioning matters here
Regular Gas
$6.99 one way
$13.97 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $7.69 | $15.37 |
| premium | $4.86 | $8.31 | $16.62 |
| diesel | $5.61 | $9.58 | $19.16 |
Estimated Tolls: $0.50
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$7
Tolls
$1
Total
$7
Estimated CO2 emission: 15.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 13 | 0 | $4.56 | $2.08 |
| Efficient EV | 10.9 | 0 | $3.80 | $1.74 |
| EV Truck/SUV | 17.4 | 0 | $6.08 | $2.78 |
Gas CO2
15 kg
EV CO2
5 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Afternoon in Boscawen on Saturday
Local time
2:09 PM
EDT
Current temp
60°F
Mostly Cloudy
Destination
Afternoon in Rochester on Saturday
Local time
2:09 PM
EDT
Current temp
52°F
Unavailable
53°F
Northwood, NH
22 mi in
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
43.4 mi in 1h 13m — 53% highway, the rest on surface roads. Biggest road: US 4.
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.9 miles in near US 4 / King Street.
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 43.4 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.9 miles (US 4 / King Street): Highway fork - watch signs carefully; at 3.1 miles (US 4): Lane positioning matters here; at 8.9 miles (US 4): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Boscawen, NH to Rochester, NH, road signs begin pointing toward Portsmouth along the way.
Portsmouth
Weekend Trip
Doable as a same-day drive at 1h 13m. Total distance: 43.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 13m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (53%). Some complex stretches to watch for.
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore more options from Boscawen, NH or browse trips ending in Rochester, NH.
Looking for more statewide routes? Browse NH road trips.
