How far is Merrimack, NH from Bath, NH?
The driving distance from Merrimack, NH to Bath, NH is about 112 miles (180.2 km), with a travel time of about 02h 30m by car.
- The straight-line flight distance is about 93 miles (149.7 km).
- For a round trip, plan for roughly 05h 01m 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 30m.
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.
Human settlement in Belknap County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Merrimack and Bath.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Bath.
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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
44.9 mi · 48 min · Styles Bridges Highway
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12
Take the exit slight right toward NH 112: North Woodstock, Lincoln
1539 ft · 47 sec
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13
Turn right onto Kancamagus Highway
1.1 km · 2 min · Kancamagus Highway
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14
Turn slight left onto Lost River Road
15.6 mi · 30 min · Lost River Road
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15
Continue on Wild Ammonoosuc Road
4.8 mi · 9 min · Wild Ammonoosuc Road
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16
At the end of the road, turn right onto Rum Hill Road
1.2 mi · 2 min · Rum Hill Road
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17
Continue on Lisbon Road
531 ft · 16 sec · Lisbon Road
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18
Turn left onto West Bath Road
72 m · 7 sec · West Bath Road
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19
Arrive at your destination
0 m · 1 sec · West Bath Road
Car Route Details
A richer read on the saved driving route between Merrimack and Bath.
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
44.9 mi · 00h 48m
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 Cloudy leaving Merrimack and Mostly Cloudy near Bath.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Bath?
The road trip is about 112 miles (180.2 km) and usually takes 02h 30m 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?
New Hampton is a useful midpoint, sitting about 56 miles from Merrimack and 56 miles from Bath.
How much longer is the road route than the straight-line distance?
The direct path is about 93 miles (149.7 km), while the road route adds roughly 19 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 1:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.58 one way or $31.17 round trip. Estimated CO2 is about 35.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Merrimack and Mostly Cloudy near Bath.
Stop Ideas Near New Hampton
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 New Hampton.
New Hampton, New Hampshire
Plymouth, New Hampshire
Tilton, New Hampshire
Concord, New Hampshire
Flight Path Map
This map shows the direct air route between Merrimack and Bath. Straight-line distance: 93.02 mi (149.7 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 Bath
City in Grafton County, New Hampshire, United States of America
| Population | 1,107 |
| Coordinates | 44.1670100, -71.9662000 |
| Altitude | 158 |
| Country | United States |
End: Bath (-71.9662, 44.16701)
Estimated Travel Time
Distance: 180 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 43m |
| 40 mph (64.37 km/h) | 02h 48m |
| 50 mph (80.47 km/h) | 02h 14m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 36m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $15.58 | $31.17 |
| Mid-grade | $4.46 | $17.61 | $35.21 |
| Premium | $4.86 | $19.19 | $38.38 |
| Diesel | $6.00 | $23.69 | $47.38 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.