How far is Falmouth, MA from Dennis, MA?
The driving distance from Falmouth, MA to Dennis, MA is about 41.3 miles (66.5 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.
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 50m.
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.
City in Barnstable County, Massachusetts, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Falmouth and Dennis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Falmouth and Dennis.
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1
Start on the route
29 m · 10 sec
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2
Turn right onto Elm Arch Way
56 m · 12 sec · Elm Arch Way
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3
Turn right onto Main Street
1.4 km · 2 min · Main Street
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4
Continue on Davis Straits
2003 ft · 51 sec · Davis Straits
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5
Continue on Teaticket Highway
1.9 mi · 4 min · Teaticket Highway
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6
Continue on East Falmouth Highway
2.3 mi · 4 min · East Falmouth Highway
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7
Continue on Waquoit Highway
1.8 mi · 3 min · Waquoit Highway
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8
Continue on Falmouth Road
1.8 mi · 3 min · Falmouth Road
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9
Enter the roundabout and take exit 2 toward Mashpee Rotary Circle
98 m · 5 sec · Falmouth Road
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10
Exit the rotary onto Falmouth Road
8.4 mi · 14 min · Falmouth Road
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11
Turn left onto Phinneys Lane
3.3 mi · 6 min · Phinneys Lane
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12
Continue on Hyannis Road
2826 ft · 60 sec · Hyannis Road
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13
Turn right onto Main Street
5.9 mi · 10 min · Main Street
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14
Continue on Route 6A
1.2 mi · 2 min · Route 6A
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15
Turn right
59 m · 14 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Falmouth and Dennis.
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.
Falmouth Road
Exit the rotary onto Falmouth Road
8.35 mi · 00h 14m
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.
Forecast cards are syncing for this route.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Falmouth to Dennis?
The road trip is about 41.3 miles (66.5 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 Falmouth and 27.1 miles from Dennis.
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 16.1 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 $5.68 one way or $11.36 round trip. Estimated CO2 is about 13 kg one way.
Stop Ideas Near Marstons Mills
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 Marstons Mills.
Providence station
Route 128 station
Back Bay station
South Station
Flight Path Map
This map shows the direct air route between Falmouth and Dennis. Straight-line distance: 25.17 mi (40.51 km).
#1 Falmouth
Town in Massachusetts, United States
| Population | 31,107 |
| Coordinates | 41.5515000, -70.6147500 |
| Altitude | 2 |
| Country | United States |
#2 Dennis
Town in Barnstable County, Massachusetts, United States
| Population | 13,890 |
| Coordinates | 41.7353900, -70.1939100 |
| Altitude | 5 |
| Country | United States |
End: Route 6a (-70.194729, 41.735379)
Estimated Travel Time
Distance: 67 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 22m |
| 40 mph (64.37 km/h) | 01h 02m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.68 | $11.36 |
| Mid-grade | $4.40 | $6.42 | $12.84 |
| Premium | $4.80 | $7.01 | $14.01 |
| Diesel | $4.49 | $6.55 | $13.10 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.