Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
36m
Distance
21.7 mi
35 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Dover, NH
Wikimedia Commons
Brentwood, NH
Wikimedia Commons
Dover, NH to Brentwood, NH is 21.7 miles and takes about 36m via Calef Highway and Knox Marsh Road, with a fuel budget near $3 and enough daylight to finish in a day. This short trip stays entirely within New Hampshire, connecting two points in the Northeast region. It's a straightforward local drive, ideal for a quick journey without the need for an overnight stay. Consider this route if you're looking for a simple, direct connection between these two New Hampshire towns.
| Road | Distance | Duration |
|---|---|---|
| Calef Highway | 10.1 mi | 15m |
| Knox Marsh Road | 3.2 mi | 5m |
| Officer Stephen Arkell Memorial Highway | 3.1 mi | 4m |
| Concord Road | 1.3 mi | 1m |
| Lee Road | 1.3 mi | 2m |
| Turtle Pond Road | 1.1 mi | 2m |
| Silver Street | 0.6 mi | 1m |
| Central Avenue | 0.4 mi | <1m |
Step-by-step road directions between Dover, NH and Brentwood, NH.
Start on this road
Turn sharp left onto NH 9; NH 108
Turn sharp left onto NH 4; NH 9; NH 108
Turn right onto Hale Street
Turn left onto Locust Street
Turn right onto NH 9
Enter roundabout onto NH 9
Continue on NH 9
Continue on NH 155
Continue on NH 155
Continue on NH 155
Take the ramp
Merge onto US 4
Enter roundabout onto NH 125
Continue on NH 125
Continue on NH 125
Turn left onto NH 111A
Turn left onto Crawley Falls Road
Arrive at destination
5 decision points cluster between mile 0 and 21.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn sharp left onto NH 9; NH 108 / Main Street
Sharp turn - reduce speed on approach
Turn sharp left onto NH 4; NH 9; NH 108 / Central Avenue
Sharp turn - reduce speed on approach. Lane positioning matters here
Turn left onto Locust Street
Navigation decision point
Enter roundabout onto NH 9 / Knox Marsh Road
Roundabout - know your exit number before entering
Turn left onto Crawley Falls Road
Navigation decision point
Regular Gas
$3.49 one way
$6.99 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $3.84 | $7.69 |
| premium | $4.86 | $4.16 | $8.31 |
| diesel | $5.61 | $4.79 | $9.58 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 7.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 63% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.5 | 0 | $2.28 | $1.04 |
| Efficient EV | 5.4 | 0 | $1.90 | $0.87 |
| EV Truck/SUV | 8.7 | 0 | $3.04 | $1.39 |
Gas CO2
8 kg
EV CO2
3 kg (63% 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
Late night in Dover on Sunday
Local time
12:39 AM
EDT
Current temp
64°F
Patchy Fog then Slight Chance Showers And Thunderstorms
Destination
Late night in Brentwood on Sunday
Local time
12:39 AM
EDT
Current temp
54°F
Unavailable
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.
This drive is characterized by frequent turns, offering a more engaging local road experience rather than a highway cruise, as indicated by its 0% highway share. You'll encounter stretches like the 10.1 miles on Calef Highway, which provides the longest uninterrupted segment of your journey. The route navigates through local terrain, suggesting a pace that allows for awareness of your surroundings and the road's changing conditions. Expect a hands-on driving experience as you make your way to Brentwood.
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near NH 9; NH 108 / Main Street.
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 21.7 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: near the start (NH 9; NH 108 / Main Street): Sharp turn - reduce speed on approach; at 0.1 miles (NH 4; NH 9; NH 108 / Central Avenue): Sharp turn - reduce speed on approach. Lane positioning matters here; at 0.5 miles (Locust Street): Navigation decision point.
Weekend Trip
Doable as a same-day drive at 36m. Total distance: 21.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
36m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Some complex stretches to watch for.
Scenic Drive
Mostly surface roads route profile.
Compiled by the US Trip Planner 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.
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