How far is Merrimack, NH from Deerfield, NH?
The driving distance from Merrimack, NH to Deerfield, NH is about 29.6 miles (47.7 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 23.9 miles (38.5 km).
- For a round trip, plan for roughly 01h 46m 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 00h 53m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Merrimack and Deerfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Deerfield.
-
1
Start on Loop Road
25 m · 6 sec · Loop Road
-
2
Turn straight onto Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
-
3
Continue on South River Road
2135 ft · 46 sec · South River Road
-
4
Take the ramp right toward Concord, Nashua
2141 ft · 52 sec
-
5
Merge slight left onto Raymond Wieczorek Drive
653 ft · 11 sec · Raymond Wieczorek Drive
-
6
Keep slight right to continue on Bedford, Manchester
1.3 km · 2 min
-
7
Merge slight left onto Everett Turnpike
1.3 mi · 2 min · Everett Turnpike
-
8
Take the exit slight right toward I 293 South, NH 101 East: Exeter, Portsmouth
2925 ft · 1 min
-
9
Merge slight left
4.6 mi · 6 min
-
10
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
6.3 mi · 8 min
-
11
Take the exit slight right toward NH 43: Candia, Deerfield
1.1 km · 1 min
-
12
Keep slight right
1033 ft · 25 sec
-
13
Turn straight onto Old Candia Road
1.5 mi · 2 min · Old Candia Road
-
14
Turn straight onto Main Street
1235 ft · 32 sec · Main Street
-
15
Continue on Deerfield Road
2 mi · 4 min · Deerfield Road
-
16
Continue on Old Candia Road
1.1 km · 1 min · Old Candia Road
-
17
Turn right onto South Road
1 mi · 2 min · South Road
-
18
Continue on Stage Road
1.3 mi · 3 min · Stage Road
-
19
Turn straight onto Raymond Road
1.9 mi · 4 min · Raymond Road
-
20
Turn slight right onto North Road
1.2 km · 2 min · North Road
-
21
Turn slight right onto Nottingham Road
1.3 km · 2 min · Nottingham Road
-
22
Continue on Nottingham Road
1244 ft · 39 sec · Nottingham Road
-
23
Turn left onto Harvey Road
112 m · 13 sec · Harvey Road
-
24
Arrive at your destination
0 m · 1 sec · Harvey Road
Car Route Details
A richer read on the saved driving route between Merrimack and Deerfield.
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 101 East
Keep slight right to continue on NH 101 East: Portsmouth, Seacoast
6.28 mi · 00h 08m
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.
Chance Rain Showers leaving Merrimack and Rain Showers Likely near Deerfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Deerfield?
The road trip is about 29.6 miles (47.7 km) and usually takes 00h 53m 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?
Auburn is a useful midpoint, sitting about 14.8 miles from Merrimack and 14.9 miles from Deerfield.
How much longer is the road route than the straight-line distance?
The direct path is about 23.9 miles (38.5 km), while the road route adds roughly 5.7 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 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.14 one way or $8.28 round trip. Estimated CO2 is about 9.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Merrimack and Rain Showers Likely near Deerfield.
Stop Ideas Near Auburn
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 Auburn.
Manchester, New Hampshire
Nashua, NH
Concord, New Hampshire
Exeter station
Flight Path Map
This map shows the direct air route between Merrimack and Deerfield. Straight-line distance: 23.94 mi (38.52 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 Deerfield
Town in New Hampshire
| Population | 4,564 |
| Coordinates | 43.1461900, -71.2164500 |
| Altitude | 159 |
| Country | United States |
End: Deerfield (-71.21645, 43.14619)
Estimated Travel Time
Distance: 48 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 59m |
| 40 mph (64.37 km/h) | 00h 44m |
| 50 mph (80.47 km/h) | 00h 35m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.14 | $8.28 |
| Mid-grade | $4.46 | $4.68 | $9.36 |
| Premium | $4.86 | $5.10 | $10.20 |
| Diesel | $6.00 | $6.30 | $12.59 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.