How far is Grantham, NH from Keene, NH?
The driving distance from Grantham, NH to Keene, NH is about 45.1 miles (72.6 km), with a travel time of about 01h 03m by car.
- The straight-line flight distance is about 39 miles (62.8 km).
- For a round trip, plan for roughly 02h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 03m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Sullivan County, New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Grantham and Keene.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grantham and Keene.
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1
Start on the route
38 m · 11 sec
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2
Turn right
10.2 mi · 15 min
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3
Enter the roundabout and take exit 1 toward Main Street
31 m · 3 sec · Main Street
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4
Exit the roundabout onto Main Street
4 mi · 7 min · Main Street
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5
Continue on Mill Village Road North
3.1 mi · 7 min · Mill Village Road North
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6
Continue on NH Route 10
9.4 mi · 15 min · NH Route 10
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7
Continue on Route 10
3.1 mi · 6 min · Route 10
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8
Continue on State Route 10
1.5 km · 1 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
2.7 mi · 4 min · State Route 10
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11
Turn straight onto Route 10
4.4 mi · 7 min · Route 10
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12
Continue on State Route 10
1.9 mi · 3 min · State Route 10
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13
Turn right onto Route 9
1.1 mi · 2 min · Route 9
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14
Turn left onto Washington Street
1.7 mi · 4 min · Washington Street
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15
Turn right onto Central Square
66 m · 7 sec · Central Square
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16
Continue on Central Square
76 m · 9 sec · Central Square
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17
Turn left onto Roxbury Street
39 m · 3 sec · Roxbury Street
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18
Arrive at your destination
0 m · 1 sec · Roxbury Street
Car Route Details
A richer read on the saved driving route between Grantham and Keene.
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 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.
Mostly Sunny leaving Grantham and Partly Sunny near Keene.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grantham to Keene?
The road trip is about 45.1 miles (72.6 km) and usually takes 01h 03m 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 Grantham and 22.6 miles from Keene.
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 6.1 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 EDT. If you want a more comfortable same-day return, try to leave by 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.27 one way or $12.55 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Grantham and Partly Sunny near Keene.
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 Grantham and Keene. Straight-line distance: 39.05 mi (62.85 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 Keene
City in New Hampshire, United States
| Population | 22,699 |
| Coordinates | 42.9336900, -72.2781400 |
| Altitude | 148 |
| Country | United States |
End: Roxbury Street (-72.278098, 42.933721)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 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 | $3.95 | $6.27 | $12.55 |
| Mid-grade | $4.46 | $7.09 | $14.17 |
| Premium | $4.86 | $7.72 | $15.45 |
| Diesel | $6.00 | $9.54 | $19.07 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.