How far is Loudon, NH from Londonderry, NH?
Fastest route
The distance between Loudon, New Hampshire and Londonderry, New Hampshire is approximately 37.3 miles (60 kilometers). The fastest route, considering current traffic conditions, is via I-93 S. This route has tolls.
Directions
To get from Loudon, New Hampshire to Londonderry, New Hampshire, follow these directions:
- Start by heading southeast on S Village Rd toward Wales Bridge Rd.
- Use the right lane to merge onto I-393 W/US-202 W/US-4 W via the ramp to Concord.
- Continue on I-393 W/US-202 W/US-4 W.
- Take the exit onto I-93 S toward I-89/Manchester/Lebanon (toll road).
- Use the right lane to merge onto I-93 S (toll road).
- Keep right at the fork to stay on I-93 S, following signs for Interstate 93 S/Salem/Boston (toll road).
- Take exit 4 to merge onto NH-102 W/Nashua Rd toward Londonderry.
- Take Gilcreast Rd and Pillsbury Rd to Mammoth Rd.
- Merge onto NH-102 W/Nashua Rd.
- Pass by Wendy's (on the right).
- Turn right onto Gilcreast Rd.
- Continue onto Pillsbury Rd.
- Turn left to stay on Pillsbury Rd.
- Turn right onto Mammoth Rd.
Tips & Suggestions
- 🚗 Consider using a GPS navigation system or a map app on your smartphone to help you navigate the route.
- ⛽ Make sure your vehicle has enough fuel before starting your journey.
- 💰 Keep some cash or change on hand to pay for tolls along the way.
- 🕑 Check the current traffic conditions and plan your trip accordingly to avoid delays.
- 📱 It's always a good idea to inform someone about your travel plans, especially for long journeys.
- 🚧 Pay attention to road signs and follow the speed limits for a safe and smooth drive.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 39m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Merrimack County, New Hampshire, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Loudon and Londonderry.
Turn-by-Turn Driving Directions
Step-by-step road directions between Loudon and Londonderry.
-
1
Start on South Village Road
1.3 km · 2 min · South Village Road
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2
Turn right onto Rocky Pond Road
1.5 mi · 2 min · Rocky Pond Road
-
3
Continue on NH Route 106
892 ft · 16 sec · NH Route 106
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4
Continue on Rocky Pond Road
160 m · 8 sec · Rocky Pond Road
-
5
Continue on Sheep Davis Road
1.1 mi · 2 min · Sheep Davis Road
-
6
Take the ramp slight right
2057 ft · 50 sec
-
7
Merge slight left
2.9 mi · 4 min
-
8
Continue straight
1280 ft · 24 sec
-
9
Take the exit straight toward I 93 South: Manchester, Lebanon
1475 ft · 50 sec
-
10
Merge slight left onto Styles Bridges Highway
1.2 km · 1 min · Styles Bridges Highway
-
11
Continue on Everett Turnpike
8.9 mi · 11 min · Everett Turnpike
-
12
Keep slight left to continue on Everett Turnpike
2 mi · 2 min · Everett Turnpike
-
13
Keep slight right to continue on I 93 South: Salem, Boston
7.7 mi · 10 min
-
14
Keep slight left to continue on Alan B Shepard Highway
4 mi · 5 min · Alan B Shepard Highway
-
15
Take the exit slight right toward NH 28: North Londonderry
1366 ft · 33 sec
-
16
Keep slight right
577 ft · 14 sec
-
17
Turn right onto Rockingham Road
1 mi · 2 min · Rockingham Road
-
18
Turn slight left onto Smith Lane
699 ft · 36 sec · Smith Lane
-
19
Turn left onto Mammoth Road
3.5 mi · 7 min · Mammoth Road
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20
Arrive at your destination
0 m · 1 sec · Mammoth Road
Car Route Details
A richer read on the saved driving route between Loudon and Londonderry.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Everett Turnpike
Continue on Everett Turnpike
8.91 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Loudon and Mostly Sunny near Londonderry.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Loudon to Londonderry?
The road trip is about 35.9 miles (57.8 km) and usually takes 00h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Hooksett is a useful midpoint, sitting about 18 miles from Loudon and 18 miles from Londonderry.
How much longer is the road route than the straight-line distance?
The direct path is about 29.5 miles (47.4 km), while the road route adds roughly 6.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.01 one way or $10.02 round trip. Estimated CO2 is about 11.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Loudon and Mostly Sunny near Londonderry.
Stop Ideas Near Hooksett
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 Hooksett.
Manchester, New Hampshire
Concord, New Hampshire
Nashua, NH
Tilton, New Hampshire
Flight Path Map
This map shows the direct air route between Loudon and Londonderry. Straight-line distance: 29.43 mi (47.37 km).
#1 Loudon
Town of the United States
| Population | 5,697 |
| Coordinates | 43.2856400, -71.4672900 |
| Altitude | 116 |
| Country | United States |
#2 Londonderry
Town in Rockingham County, New Hampshire, United States of America
| Population | 26,646 |
| Coordinates | 42.8650900, -71.3739500 |
| Altitude | 128 |
| Country | United States |
End: Mammoth Road (-71.374062, 42.865057)
Estimated Travel Time
Distance: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.01 | $10.02 |
| Mid-grade | $4.46 | $5.66 | $11.32 |
| Premium | $4.86 | $6.17 | $12.34 |
| Diesel | $6.00 | $7.62 | $15.23 |
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 · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.