Plainfield, NH to Town of Sunapee, NH is 31.3 miles and takes about 49 minutes via Route 12A, with a fuel budget near $5 and enough daylight to finish in a day. This trip stays within the Northeast region, specifically within New Hampshire. You'll experience a mix of highway driving and surface roads as you make your way south. Given its short duration, this route is ideal for a quick excursion or an addition to a longer itinerary without consuming a full day.
Main Roads
Road
Distance
Duration
Route 12A
5.4 mi
10m
U.S. Route 5 South
4.9 mi
7m
State Route 11
4.8 mi
7m
John Stark Highway
4.6 mi
5m
Main Street
4.5 mi
5m
Sunapee Street
2.8 mi
6m
Washington Street
2.3 mi
2m
Vermont Route 12
0.4 mi
<1m
Longest stretch:
Route 12A
— 5.4 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Plainfield, NH and Town of Sunapee, NH.
1
Start on NH 12A
5.4 mi·10 min·Route 12A
2
Turn right
524 ft·14 sec
3
Continue on Bridge Street
0.2 mi·37 sec·Bridge Street
4
Turn left onto US 5; VT 12
0.1 mi·11 sec·Main Street
5
Continue on US 5; VT 12
4.9 mi·7 min·U.S. Route 5 South
6
Turn left onto VT 12
0.4 mi·41 sec·Vermont Route 12
7
Continue on NH 12; NH 103
4.3 mi·5 min·Main Street
8
Turn left onto NH 11; NH 12; NH 103
195 ft·2 sec·Opera House Square
9
Keep slight right at fork onto NH 11; NH 103
0.1 mi·12 sec·Broad Street
10
Continue on NH 11; NH 103
426 ft·9 sec·Broad Street
11
Keep slight right at fork onto NH 11; NH 103
0.2 mi·15 sec·Broad Street
12
Continue on NH 11; NH 103
2.3 mi·2 min·Washington Street
13
Continue on NH 11; NH 103
2.3 mi·2 min·State Route 11
14
Continue on NH 11; NH 103
4.6 mi·5 min·John Stark Highway
15
Continue on NH 11; NH 103
0.2 mi·14 sec·Elm Street
16
Continue on Maple Street
0.3 mi·40 sec·Maple Street
17
Turn left onto Cross Street
472 ft·21 sec·Cross Street
18
Turn right onto Canal Street
0.1 mi·26 sec·Canal Street
19
Turn right onto NH 11; NH 103
2.8 mi·6 min·Sunapee Street
20
Turn straight onto NH 11
2.5 mi·4 min·State Route 11
21
Continue on NH 11
0.3 mi·45 sec·Route 11
22
Turn left onto Sargent Road
0.1 mi·22 sec·Sargent Road
23
Arrive at destination
Sargent Road
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 15.6 miles from Plainfield, 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.
Heads-up: tricky spots
5 of 8
5 decision points cluster between mile 5.7 and 31.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
5.7 mi into trip|~10m in|US 5; VT 12 / Main Street
Turn left onto US 5; VT 12 / Main Street
Navigation decision point
5
15.4 mi into trip|~24m in|NH 11; NH 103 / Broad Street
Keep slight right at fork onto NH 11; NH 103 / Broad Street
Highway fork - watch signs carefully
5
15.6 mi into trip|~24m in|NH 11; NH 103 / Broad Street
Keep slight right at fork onto NH 11; NH 103 / Broad Street
Highway fork - watch signs carefully
4
25.5 mi into trip|~36m in|Cross Street
Turn left onto Cross Street
Navigation decision point
5
31.2 mi into trip|~48m in|Sargent Road
Turn left onto Sargent Road
Navigation decision point
Fuel & Cost
Regular Gas
$5.53 one way
$11.07 round trip
$4.49/gal25.4 MPG avg11 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.92
$6.06
$12.12
premium
$5.29
$6.52
$13.04
diesel
$5.35
$6.59
$13.19
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 11 kg one way.
Prices: EIA weekly data, 2026-06-01.
Driving Electric?
About $3 in charging
· 0 stops
· 64% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
9.4
0
$3.29
$1.50
Efficient EV
7.8
0
$2.74
$1.25
EV Truck/SUV
12.5
0
$4.38
$2.00
Gas CO2
11 kg
EV CO2
4 kg (64% 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.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of May 23, 2026
Origin
Plainfield, NH
Evening
in Plainfield on Wednesday
Local time
5:52 PM
EDT
Current temp
41°F
Mostly Cloudy
0 mph0% chanceLive forecast
Beach Hazards Statement
Beach Hazards Statement issued May 23 at 2:38AM EDT until May 23 at 8:00PM EDT by NWS Gray ME
Special Weather Statement
Special Weather Statement issued May 23 at 2:28AM EDT by NWS Gray ME
Destination
Town of Sunapee, NH
Evening
in Town of Sunapee on Wednesday
Local time
5:52 PM
EDT
Current temp
42°F
Mostly Cloudy
0 mph0% chanceLive forecast
Beach Hazards Statement
Beach Hazards Statement issued May 23 at 2:38AM EDT until May 23 at 8:00PM EDT by NWS Gray ME
Special Weather Statement
Special Weather Statement issued May 23 at 2:28AM EDT by NWS Gray ME
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
49m on the road
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.
More Details
What kind of drive is this?
This drive is about 50% highway, meaning you'll encounter sections of higher-speed travel mixed with surface roads. The longest continuous stretch on a single road is 5.4 miles on Route 12A. You'll notice the transition from potentially faster highway segments to more local roads as you proceed. Expect a blend of cruising and more typical town-to-town driving.
50% highway, the rest on surface roads — varied driving throughout.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 5.4 mi on Route 12A.
How Hard Is This Drive?
6/10
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 5.7 miles in near US 5; VT 12 / Main Street.
Driving Effort6/10
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 31.3 miles you will encounter 8 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 5.7 miles (US 5; VT 12 / Main Street): Navigation decision point; at 15.4 miles (NH 11; NH 103 / Broad Street): Highway fork - watch signs carefully; at 15.6 miles (NH 11; NH 103 / Broad Street): Highway fork - watch signs carefully.
Doable as a same-day drive at 49m. Total distance: 31.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
49m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (50%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 5.4 miles on Route 12A. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Town of Sunapee, NH before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
Mostly yes along the main roads, but rural stretches through NH can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.
The main spots that need attention: at 5.7 miles (US 5; VT 12 / Main Street): Navigation decision point; at 15.4 miles (NH 11; NH 103 / Broad Street): Highway fork - watch signs carefully; at 15.6 miles (NH 11; NH 103 / Broad Street): Highway fork - watch signs carefully.
Yes — Saint-Gaudens National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Town of Sunapee, NH before heading back.