How far is Grantham, NH from Unity, NH?
The driving distance from Grantham, NH to Unity, NH is about 21.3 miles (34.3 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 14.9 miles (23.9 km).
- For a round trip, plan for roughly 01h 17m 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 38m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Grantham and Unity.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grantham and Unity.
-
1
Start on the route
38 m · 11 sec
-
2
Turn right
10.2 mi · 15 min
-
3
Enter the roundabout and take exit 1 toward Main Street
31 m · 3 sec · Main Street
-
4
Exit the roundabout onto Main Street
1220 ft · 40 sec · Main Street
-
5
Turn right onto Elm Street
946 ft · 12 sec · Elm Street
-
6
Continue on John Stark Highway
1856 ft · 26 sec · John Stark Highway
-
7
Turn slight left onto Unity Road
3.2 mi · 8 min · Unity Road
-
8
Continue on Unity Springs Road
3.9 mi · 9 min · Unity Springs Road
-
9
Turn right onto Lempster Street
1.3 mi · 2 min · Lempster Street
-
10
Continue on 2nd NH Turnpike
2.1 mi · 3 min · 2nd NH Turnpike
-
11
Arrive at your destination
0 m · 1 sec · 2nd NH Turnpike
Car Route Details
A richer read on the saved driving route between Grantham and Unity.
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.
Longest stretch
Turn right
10.2 mi · 00h 15m
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.
Partly Sunny leaving Grantham and Mostly Sunny near Unity.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grantham to Unity?
The road trip is about 21.3 miles (34.3 km) and usually takes 00h 38m 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?
Newport is a useful midpoint, sitting about 10.7 miles from Grantham and 10.7 miles from Unity.
How much longer is the road route than the straight-line distance?
The direct path is about 14.9 miles (23.9 km), while the road route adds roughly 6.4 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 7:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.96 one way or $5.92 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Grantham and Mostly Sunny near Unity.
Stop Ideas Near Newport
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Newport.
Claremont
Windsor station
White River Junction
Bellows Falls station
Flight Path Map
This map shows the direct air route between Grantham and Unity. Straight-line distance: 14.85 mi (23.9 km).
#1 Grantham
Town in Sullivan County, New Hampshire, United States
| Population | 2,955 |
| Coordinates | 43.4895200, -72.1375900 |
| Altitude | 288 |
| Country | United States |
#2 Unity
Town in Sullivan County, New Hampshire, United States
| Population | 1,616 |
| Coordinates | 43.2939600, -72.2603700 |
| Altitude | 445 |
| Country | United States |
End: Unity (-72.26037, 43.29396)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 32m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $2.96 | $5.92 |
| Mid-grade | $4.46 | $3.34 | $6.69 |
| Premium | $4.86 | $3.64 | $7.29 |
| Diesel | $6.00 | $4.50 | $9.00 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.