How far is Derry, NH from Loudon, NH?

The driving distance from Derry, NH to Loudon, NH is about 35.5 miles (57.1 km), with a travel time of about 00h 48m by car.

  • The straight-line flight distance is about 28.8 miles (46.4 km).
  • For a round trip, plan for roughly 01h 36m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
35.48 mi
00h 48m
Flight
28.86 mi
46.45 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Derry.

Flight Distance

Direct air line
28.86 mi
Kilometers
46.45 km
Flight Time
00h 03m

Driving Distance

Road route
35.48 mi
Kilometers
57.1 km
Drive Time
00h 48m

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 48m.

Arrival Snapshot
Arrive in Loudon
Sat, May 2, 3:28 PM EDT
Return by in Derry
Sat, May 2, 4:16 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Derry
2026-05-02T14:40
Arrive Loudon
Sat, May 2, 3:28 PM EDT
Route Timing
00h 48m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:48 AM to 10:48 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:54 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Derry
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Hooksett
NH

City in Merrimack County, New Hampshire, United States of America

From Derry
17.7 mi
00h 24m
To Loudon
17.8 mi
00h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Saturday

Partly Sunny then Slight Chance Rain Showers

Starts
Sat, May 2 6:00 AM EDT
Wind
5 mph SW
Destination
55°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
0 to 5 mph W

Driving Route Map

The map below follows the saved road route between Derry and Loudon.

Turn-by-Turn Driving Directions

Step-by-step road directions between Derry and Loudon.

  1. 1

    Start on the route

    24 m · 11 sec

  2. 2

    Turn left

    32 m · 10 sec

  3. 3

    Turn right onto West Broadway

    3209 ft · 2 min · West Broadway

  4. 4

    Continue on Nashua Road

    1538 ft · 44 sec · Nashua Road

  5. 5

    Take the ramp right toward I 93 North: Manchester, Concord

    1729 ft · 43 sec

  6. 6

    Merge slight left onto Alan Bartlett Shepard Junior Highway

    2.3 mi · 3 min · Alan Bartlett Shepard Junior Highway

  7. 7

    Continue on Alan B Shepard Jr Highway

    1 mi · 1 min · Alan B Shepard Jr Highway

  8. 8

    Continue on Alan B Shepard Highway

    5.7 mi · 7 min · Alan B Shepard Highway

  9. 9

    Keep slight left to continue on I 93 North: Concord, Plymouth

    7.1 mi · 9 min

  10. 10

    Keep slight left to continue on Everett Turnpike

    10.2 mi · 12 min · Everett Turnpike

  11. 11

    Continue on Styles Bridges Highway

    2718 ft · 42 sec · Styles Bridges Highway

  12. 12

    Take the exit slight right toward I 393 East, US 4 East, US 202 East: Loudon, Portsmouth

    2452 ft · 1 min

  13. 13

    Merge slight left

    2.9 mi · 4 min

  14. 14

    Take the exit slight right toward NH 106: Laconia, Pembroke

    1304 ft · 32 sec

  15. 15

    Keep slight left

    93 m · 10 sec

  16. 16

    Turn left onto Sheep Davis Road

    1.3 mi · 2 min · Sheep Davis Road

  17. 17

    Continue on Rocky Pond Road

    160 m · 8 sec · Rocky Pond Road

  18. 18

    Continue on NH Route 106

    892 ft · 16 sec · NH Route 106

  19. 19

    Continue on Rocky Pond Road

    1.5 mi · 2 min · Rocky Pond Road

  20. 20

    Turn left onto South Village Road

    1.3 km · 2 min · South Village Road

  21. 21

    Arrive at your destination

    0 m · 1 sec · South Village Road

Car Route Details

A richer read on the saved driving route between Derry and Loudon.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
59.2 / 100 mi
Decision points by distance
Main Roads
Everett Turnpike
10.2 mi · 29%
I 93 North
7.41 mi · 21%
Alan B Shepard Highway
5.69 mi · 16%
I 393 East
3.38 mi · 10%
Alan Bartlett Shepard Junior Highway
2.25 mi · 6%
Rocky Pond Road
1.55 mi · 4%
Longest Stretch

Everett Turnpike

Keep slight left to continue on Everett Turnpike

10.2 mi · 00h 12m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 48m
Day trip friendly
Same-Day Return
01h 36m
Round-trip wheel time
Road vs Air
+6.7 mi
28.8 mi direct line
Halfway Stop
Hooksett
00h 24m from Derry
Leave By
4:54 PM EDT
Morning start is best
Weather Watch

Partly Sunny then Slight Chance Rain Showers leaving Derry and Mostly Sunny near Loudon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Derry to Loudon?

The road trip is about 35.5 miles (57.1 km) and usually takes 00h 48m 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?

Hooksett is a useful midpoint, sitting about 17.7 miles from Derry and 17.8 miles from Loudon.

How much longer is the road route than the straight-line distance?

The direct path is about 28.8 miles (46.4 km), while the road route adds roughly 6.7 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 4:54 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.93 one way or $9.86 round trip. Estimated CO2 is about 11.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Derry and Mostly Sunny near Loudon.

Stop Ideas Near Hooksett

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Hooksett, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hooksett.

BUS

Manchester, New Hampshire

12 mi away
119 Canal St.
BUS

Concord, New Hampshire

14 mi away
30 Stickney Ave.
BUS

Nashua, NH

34 mi away
8 North Southwood Drive
BUS

Tilton, New Hampshire

41 mi away
I-93 and US hwy 3

Flight Path Map

This map shows the direct air route between Derry and Loudon. Straight-line distance: 28.86 mi (46.45 km).

Derry

#1 Derry

Town in New Hampshire, United States

Population33,442
Coordinates42.8806400, -71.3272900
Altitude84
CountryUnited States
Loudon

#2 Loudon

Town of the United States

Population5,697
Coordinates43.2856400, -71.4672900
Altitude116
CountryUnited States
Start: Derry (-71.32729, 42.88064)
End: Loudon (-71.46729, 43.28564)

Estimated Travel Time

Distance: 57 km by road

SpeedTime
30 mph (48.3 km/h)01h 10m
40 mph (64.37 km/h)00h 53m
50 mph (80.47 km/h)00h 42m
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.

One-way fuel
1.25 gal
4.74 L · about $4.93
Round trip
$9.86
2.5 gal · 9.48 L
Estimated CO2
11.1 kg one way
Round trip: 22.2 kg / 49 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $4.93 $9.86
Mid-grade $4.46 $5.57 $11.14
Premium $4.86 $6.07 $12.15
Diesel $6.00 $7.50 $14.99

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

There is no time difference between Derry and Loudon. The current time is 14:40:15.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.