Origin
Dennis, MA
Evening in Dennis on Friday
Local time
6:49 PM
EDT
Current temp
76°F
Unavailable
Live forecast
Trip from Dennis, MA to Old Harbor, MA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
37m
Distance
18.2 mi
29 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 34m
★
6 AM
0h 38m
8 AM
0h 44m
10 AM
0h 40m
12 PM
0h 39m
3 PM
0h 40m
5 PM
0h 44m
8 PM
0h 36m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Dennis, MA
Italo Melo
Trip Overview
The drive from Dennis, MA to Old Harbor, MA covers 18.2 miles and takes about 37m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Mid Cape Highway, Old Bass River Road, Queen Anne Road for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 3.8 miles on Mid Cape Highway. At current regular gas prices, budget about $2.91 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 37m. Total distance: 18.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
37m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (1%). Some complex stretches to watch for.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 37m drive with frequent turns across 18.2 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 26 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Mid Cape Highway is the longest continuous segment at about 3.8 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near MA 6A / Route 6A.
Driving Effort
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 18.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (MA 6A / Route 6A): Navigation decision point; at 0.3 miles (Old Bass River Road): Navigation decision point; at 8.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
MA 6A / Route 6A
Turn right onto MA 6A / Route 6A
Navigation decision point
4
0.3 mi into trip
|
~0m in
|
Old Bass River Road
Turn right onto Old Bass River Road
Navigation decision point
6
8.4 mi into trip
|
~14m in
Take the exit toward MA 124: Harwich, Brewster
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 82
Toward MA 124: Harwich, Brewster
7
8.6 mi into trip
|
~14m in
Keep slight right at fork toward MA 124 South: Harwich, Harwich Port
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward MA 124 South: Harwich, Harwich Port
5
15.2 mi into trip
|
~26m in
|
Main Street
Enter roundabout onto Main Street
Roundabout - know your exit number before entering
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Dennis, MA and Old Harbor, MA, road signs point toward Provincetown, Brewster and Harwich Port.
Provincetown
4.2 mi in
|
~7m
Brewster
8.4 mi in
|
~14m
Harwich Port
8.6 mi in
|
~14m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Mid Cape Highway | 3.8 mi | 5m |
| Old Bass River Road | 3.2 mi | 5m |
| Queen Anne Road | 3 mi | 5m |
| Old Queen Anne Road | 2.8 mi | 5m |
| Main Street | 2 mi | 3m |
| Morris Island Road | 1.1 mi | 4m |
| East West Dennis Road | 0.5 mi | <1m |
| Bob Crowell Road | 0.4 mi | <1m |
Longest stretch:
Mid Cape Highway
— 3.8 mi, about 5m
Turn-by-Turn Driving Directions
Step-by-step road directions between Dennis, MA and Old Harbor, MA.
1
Start on this road
193 ft
·
14 sec
·
this road
2
Turn right onto MA 6A
0.2 mi
·
26 sec
·
Route 6A
3
Turn right onto Old Bass River Road
0.2 mi
·
18 sec
·
Old Bass River Road
4
Continue on Old Bass River Road
3.0 mi
·
5 min
·
Old Bass River Road
5
Turn left onto Bob Crowell Road
0.4 mi
·
37 sec
·
Bob Crowell Road
6
Turn right onto MA 134
0.5 mi
·
57 sec
·
East West Dennis Road
7
Take the ramp
0.3 mi
·
36 sec
Toward US 6 East: Orleans, Provincetown
8
Merge onto US 6
3.8 mi
·
5 min
·
Mid Cape Highway
9
Take the exit
0.2 mi
·
35 sec
Exit 82
Toward MA 124: Harwich, Brewster
10
Keep slight right at fork
191 ft
·
6 sec
Toward MA 124 South: Harwich, Harwich Port
11
Turn straight onto MA 124
363 ft
·
15 sec
·
Pleasant Lake Avenue
12
Turn left onto Queen Anne Road
2.3 mi
·
4 min
·
Queen Anne Road
13
Enter roundabout onto Queen Anne Road
102 ft
·
1 sec
·
Queen Anne Road
14
Continue on Queen Anne Road
0.6 mi
·
1 min
·
Queen Anne Road
15
Continue on Old Queen Anne Road
1.2 mi
·
2 min
·
Old Queen Anne Road
16
Continue on Old Queen Anne Road
1.6 mi
·
2 min
·
Old Queen Anne Road
17
Turn left onto MA 28
0.7 mi
·
1 min
·
Main Street
18
Enter roundabout onto Main Street
90 ft
·
2 sec
·
Main Street
19
Continue on Main Street
0.8 mi
·
1 min
·
Main Street
20
At end of road, turn right onto Main Street
0.5 mi
·
1 min
·
Main Street
21
Turn straight onto Morris Island Road
0.2 mi
·
56 sec
·
Morris Island Road
22
Continue on Morris Island Road
0.8 mi
·
3 min
·
Morris Island Road
23
Continue on Tisquantum Road
0.3 mi
·
1 min
·
Tisquantum Road
24
Turn left onto Access Trail
0.1 mi
·
1 min
·
Access Trail
25
Continue on Monomoy NWR Nature Trail
0.2 mi
·
1 min
·
Monomoy NWR Nature Trail
26
Arrive at destination
Monomoy NWR Nature Trail
Fuel & Cost
Regular Gas
$2.91 one way
$5.83 round trip
$4.07/gal
25.4 MPG avg
6 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.43 | $3.18 | $6.35 |
| premium | $4.82 | $3.46 | $6.91 |
| diesel | $5.61 | $4.02 | $8.04 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 6.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 5.5 | 0 | $1.91 | $0.87 |
| Efficient EV | 4.6 | 0 | $1.59 | $0.73 |
| EV Truck/SUV | 7.3 | 0 | $2.55 | $1.16 |
Gas CO2
6 kg
EV CO2
2 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Old Harbor, MA
Evening in Old Harbor on Friday
Local time
6:49 PM
EDT
Current temp
53°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
23 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
37m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Dennis, MA to Old Harbor, MA covers 18.2 miles and takes about 37m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Mid Cape Highway, Old Bass River Road, Queen Anne Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 9.1 miles from Dennis, MA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.91 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This drive requires moderate attention. Across 18.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (MA 6A / Route 6A): Navigation decision point; at 0.3 miles (Old Bass River Road): Navigation decision point; at 8.4 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Between Dennis, MA and Old Harbor, MA, road signs point toward Provincetown, Brewster and Harwich Port.
Yes. Nearby national parks include Cape Cod National Seashore.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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