How far is Dennis, MA from Falmouth, MA?

The driving distance from Dennis, MA to Falmouth, MA is about 28.5 miles (45.9 km), with a travel time of about 00h 50m by car.

  • The straight-line flight distance is about 25.2 miles (40.5 km).
  • For a round trip, plan for roughly 01h 41m 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
28.53 mi
00h 50m
Flight
25.17 mi
40.51 km direct

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

Learn Distance

Choose another destination from Dennis.

Flight Distance

Direct air line
25.17 mi
Kilometers
40.51 km
Flight Time
00h 03m

Driving Distance

Road route
28.53 mi
Kilometers
45.92 km
Drive Time
00h 50m

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 50m.

Arrival Snapshot
Arrive in Falmouth
Wed, Apr 22, 11:33 PM EDT
Return by in Dennis
Thu, Apr 23, 12:24 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dennis
2026-04-22T22:43
Arrive Falmouth
Wed, Apr 22, 11:33 PM EDT
Route Timing
00h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:51 AM to 10:51 AM EDT

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

Leave by
4:48 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dennis
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
Marstons Mills
MA

City in Barnstable County, Massachusetts, United States of America

From Dennis
14.2 mi
00h 25m
To Falmouth
14.3 mi
00h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Dennis Weather
MA
Live fallback forecast
57°F
Wednesday
Using West Barnstable as the closest live forecast in the Barnstable County weather hub.

Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
16 to 20 mph SW
Destination
Falmouth Weather
MA
Live fallback forecast
56°F
Wednesday
Using Pocasset as the closest live forecast in the Barnstable County weather hub.

Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
15 mph SW

Driving Route Map

The map below follows the saved road route between Dennis and Falmouth.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dennis and Falmouth.

  1. 1

    Start on the route

    59 m · 21 sec

  2. 2

    Turn left onto Route 6A

    1.2 mi · 2 min · Route 6A

  3. 3

    Continue on Main Street

    5.9 mi · 10 min · Main Street

  4. 4

    Turn left onto Hyannis Road

    2826 ft · 57 sec · Hyannis Road

  5. 5

    Continue on Phinneys Lane

    3.3 mi · 6 min · Phinneys Lane

  6. 6

    At the end of the road, turn right onto Falmouth Road

    8.4 mi · 14 min · Falmouth Road

  7. 7

    Enter the roundabout and take exit 3 toward Mashpee Rotary Circle

    130 m · 7 sec · Falmouth Road

  8. 8

    Exit the rotary onto Falmouth Road

    1.8 mi · 3 min · Falmouth Road

  9. 9

    Continue on Waquoit Highway

    1.8 mi · 3 min · Waquoit Highway

  10. 10

    Continue on East Falmouth Highway

    2.3 mi · 4 min · East Falmouth Highway

  11. 11

    Continue on Teaticket Highway

    1.9 mi · 4 min · Teaticket Highway

  12. 12

    Continue on Davis Straits

    2022 ft · 52 sec · Davis Straits

  13. 13

    Continue on Main Street

    1.4 km · 2 min · Main Street

  14. 14

    Turn left onto Elm Arch Way

    56 m · 14 sec · Elm Arch Way

  15. 15

    Turn left

    29 m · 7 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Dennis and Falmouth.

OSRM road route
Drive Character

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.

Directions
16 steps
7 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
56.1 / 100 mi
Decision points by distance
Main Roads
Falmouth Road
10.2 mi · 36%
Main Street
6.73 mi · 24%
Phinneys Lane
3.27 mi · 11%
East Falmouth Highway
2.34 mi · 8%
Teaticket Highway
1.89 mi · 7%
Waquoit Highway
1.81 mi · 6%
Longest Stretch

Falmouth Road

At the end of the road, turn right onto Falmouth Road

8.35 mi · 00h 14m

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 50m
Day trip friendly
Same-Day Return
01h 42m
Round-trip wheel time
Road vs Air
+3.3 mi
25.2 mi direct line
Halfway Stop
Marstons Mills
00h 25m from Dennis
Leave By
4:48 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving Dennis and Slight Chance Rain Showers near Falmouth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dennis to Falmouth?

The road trip is about 28.5 miles (45.9 km) and usually takes 00h 50m 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?

Marstons Mills is a useful midpoint, sitting about 14.2 miles from Dennis and 14.3 miles from Falmouth.

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

The direct path is about 25.2 miles (40.5 km), while the road route adds roughly 3.3 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 4:48 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.93 one way or $7.86 round trip. Estimated CO2 is about 9 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Dennis and Slight Chance Rain Showers near Falmouth.

Stop Ideas Near Marstons Mills

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

Mid-route Guidance
Local place coverage is thin around Marstons Mills, 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 Marstons Mills.

RAIL

Providence station

85 mi away
100 Gaspee Street
RAIL

Route 128 station

86 mi away
50 University Ave
RAIL

Back Bay station

94 mi away
145 Dartmouth St.
RAIL

South Station

94 mi away
2 South Station

Flight Path Map

This map shows the direct air route between Dennis and Falmouth. Straight-line distance: 25.17 mi (40.51 km).

Dennis

#1 Dennis

Town in Barnstable County, Massachusetts, United States

Population13,890
Coordinates41.7353900, -70.1939100
Altitude5
CountryUnited States
Falmouth

#2 Falmouth

Town in Massachusetts, United States

Population31,107
Coordinates41.5515000, -70.6147500
Altitude2
CountryUnited States
Start: Dennis (-70.19391, 41.73539)
End: Falmouth (-70.61475, 41.5515)

Estimated Travel Time

Distance: 46 km by road

SpeedTime
30 mph (48.3 km/h)00h 57m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 34m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.01 gal
3.81 L · about $3.93
Round trip
$7.86
2.02 gal · 7.62 L
Estimated CO2
9 kg one way
Round trip: 18 kg / 40 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $3.93 $7.86
Mid-grade $4.40 $4.44 $8.88
Premium $4.80 $4.85 $9.69
Diesel $4.49 $4.53 $9.07

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 Massachusetts · Apr 23, 2026

There is no time difference between Dennis and Falmouth. The current time is 22:43:01.

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.