How far is Keene, NH from Grantham, NH?
The driving distance from Keene, NH to Grantham, NH is about 44.9 miles (72.3 km), with a travel time of about 01h 15m by car.
- The straight-line flight distance is about 39 miles (62.8 km).
- For a round trip, plan for roughly 02h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 15m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Sullivan County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Keene and Grantham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Keene and Grantham.
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1
Start on Roxbury Street
10 m · 4 sec · Roxbury Street
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2
Turn right onto Central Square
45 m · 3 sec · Central Square
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3
Keep slight right to continue on Washington Street
1.6 mi · 4 min · Washington Street
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4
Take the ramp slight right
599 ft · 12 sec
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5
Merge slight left onto Route 9
1 mi · 2 min · Route 9
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6
Turn left onto State Route 10
1.9 mi · 3 min · State Route 10
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7
Continue on Route 10
4.4 mi · 7 min · Route 10
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8
Turn straight onto State Route 10
2.7 mi · 4 min · State Route 10
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9
Continue on Gilsum Road
2.4 mi · 3 min · Gilsum Road
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10
Continue on State Route 10
1 mi · 2 min · State Route 10
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11
Continue on Route 10
3.1 mi · 6 min · Route 10
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12
Continue on NH Route 10
9.4 mi · 15 min · NH Route 10
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13
Continue on Mill Village Road
3.1 mi · 7 min · Mill Village Road
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14
Continue on South Main Street
4 mi · 7 min · South Main Street
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15
Enter the roundabout and take exit 3 toward the route
45 m · 4 sec
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16
Exit the roundabout
30 m · 2 sec
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17
Turn right onto Main Street
106 m · 10 sec · Main Street
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18
Continue on State Route 10
145 m · 8 sec · State Route 10
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19
Continue on North Main Street
1.1 km · 1 min · North Main Street
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20
Continue on State Route 10
1.5 km · 1 min · State Route 10
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21
Continue on North Main Street
8.4 mi · 13 min · North Main Street
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22
Turn left
38 m · 9 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Keene and Grantham.
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.
NH Route 10
Continue on NH Route 10
9.38 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Keene and Sunny near Grantham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Keene to Grantham?
The road trip is about 44.9 miles (72.3 km) and usually takes 01h 15m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Lempster is a useful midpoint, sitting about 22.5 miles from Keene and 22.5 miles from Grantham.
How much longer is the road route than the straight-line distance?
The direct path is about 39 miles (62.8 km), while the road route adds roughly 5.9 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 4:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.65 one way or $13.30 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Keene and Sunny near Grantham.
Stop Ideas Near Lempster
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 Lempster.
Claremont
Bellows Falls station
Windsor station
Okemo, Vermont
Flight Path Map
This map shows the direct air route between Keene and Grantham. Straight-line distance: 39.05 mi (62.85 km).
#1 Keene
City in New Hampshire, United States
| Population | 22,699 |
| Coordinates | 42.9336900, -72.2781400 |
| Altitude | 148 |
| Country | United States |
#2 Grantham
Town in Sullivan County, New Hampshire, United States
| Population | 2,955 |
| Coordinates | 43.4895200, -72.1375900 |
| Altitude | 288 |
| Country | United States |
End: Grantham (-72.13759, 43.48952)
Estimated Travel Time
Distance: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 29m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 53m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.18 | $6.65 | $13.30 |
| Mid-grade | $4.80 | $7.64 | $15.27 |
| Premium | $5.26 | $8.36 | $16.72 |
| Diesel | $6.35 | $10.09 | $20.18 |
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 · Oct 31, 2026