How far is Merrimack, NH from Jefferson, NH?
The driving distance from Merrimack, NH to Jefferson, NH is about 124.1 miles (199.8 km), with a travel time of about 02h 41m by car.
- The straight-line flight distance is about 107.4 miles (172.8 km).
- For a round trip, plan for roughly 05h 22m 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 02h 41m.
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 New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Merrimack and Jefferson.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Jefferson.
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1
Start on Loop Road
25 m · 6 sec · Loop Road
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2
Turn straight onto Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
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3
Continue on South River Road
2135 ft · 46 sec · South River Road
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4
Take the ramp right toward Concord, Nashua
2141 ft · 52 sec
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5
Merge slight left onto Raymond Wieczorek Drive
653 ft · 11 sec · Raymond Wieczorek Drive
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6
Keep slight right to continue on Bedford, Manchester
1.3 km · 2 min
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7
Merge slight left onto Everett Turnpike
11.2 mi · 15 min · Everett Turnpike
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8
Keep slight left to continue on Everett Turnpike
10.2 mi · 12 min · Everett Turnpike
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9
Continue on Styles Bridges Highway
16.7 mi · 19 min · Styles Bridges Highway
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10
Continue on Sen Styles Bridges Highway
1.2 km · 47 sec · Sen Styles Bridges Highway
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11
Continue on Styles Bridges Highway
48.9 mi · 53 min · Styles Bridges Highway
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12
Continue on Franconia Notch Parkway
7.7 mi · 12 min · Franconia Notch Parkway
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13
Take the exit slight right toward US 3 North: Twin Mountain, Lancaster
10.4 mi · 16 min
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14
Continue on US Route 3 North
2 mi · 3 min · US Route 3 North
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15
Turn right onto State Route 115
3.6 mi · 6 min · State Route 115
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16
Continue on Owls Head Highway
3 mi · 4 min · Owls Head Highway
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17
Turn left onto Meadows Road
4.1 mi · 8 min · Meadows Road
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18
At the end of the road, turn right onto Presidential Highway
44 m · 4 sec · Presidential Highway
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19
Arrive at your destination
0 m · 1 sec · Presidential Highway
Car Route Details
A richer read on the saved driving route between Merrimack and Jefferson.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Styles Bridges Highway
Continue on Styles Bridges Highway
48.9 mi · 00h 53m
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 Merrimack and Chance Rain Showers near Jefferson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Jefferson?
The road trip is about 124.1 miles (199.8 km) and usually takes 02h 41m 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?
Ashland is a useful midpoint, sitting about 62.1 miles from Merrimack and 62.1 miles from Jefferson.
How much longer is the road route than the straight-line distance?
The direct path is about 107.4 miles (172.8 km), while the road route adds roughly 16.7 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 1:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.28 one way or $34.56 round trip. Estimated CO2 is about 38.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Merrimack and Chance Rain Showers near Jefferson.
Stop Ideas Near Ashland
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 Ashland.
New Hampton, New Hampshire
Plymouth, New Hampshire
Tilton, New Hampshire
Lincoln, New Hampshire
Flight Path Map
This map shows the direct air route between Merrimack and Jefferson. Straight-line distance: 107.37 mi (172.79 km).
#1 Merrimack
River in New Hampshire and Massachusetts, United States
| Population | 27,452 |
| Coordinates | 42.8650900, -71.4934000 |
| Altitude | 47 |
| Country | United States |
#2 Jefferson
Town in New Hampshire, United States
| Population | 1,049 |
| Coordinates | 44.4189500, -71.4745300 |
| Altitude | 425 |
| Country | United States |
End: Jefferson (-71.47453, 44.41895)
Estimated Travel Time
Distance: 200 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 08m |
| 40 mph (64.37 km/h) | 03h 06m |
| 50 mph (80.47 km/h) | 02h 28m |
| 60 mph (96.56 km/h) | 02h 04m |
| 70 mph (112.65 km/h) | 01h 46m |
| 80 mph (129 km/h) | 01h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $17.28 | $34.56 |
| Mid-grade | $4.46 | $19.52 | $39.04 |
| Premium | $4.86 | $21.28 | $42.56 |
| Diesel | $6.00 | $26.27 | $52.53 |
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.