How far is Hartford, CT from Groton, CT?
The driving distance from Hartford, CT to Groton, CT is about 49 miles (78.9 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 42.4 miles (68.3 km).
- For a round trip, plan for roughly 02h 17m 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 01h 08m.
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.
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 Hartford and Groton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hartford and Groton.
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1
Start on Armory Road
34 m · 15 sec · Armory Road
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2
Turn right onto Capitol Avenue
117 m · 11 sec · Capitol Avenue
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3
Turn right onto Broad Street
921 ft · 21 sec · Broad Street
-
4
Take the ramp right toward I 84
1193 ft · 30 sec
-
5
Merge slight left
1.5 mi · 2 min
-
6
Take the exit slight right toward CT 2 East: Norwich
1092 ft · 26 sec
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7
Merge slight right
4.3 mi · 6 min
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8
Keep slight right
19.3 mi · 22 min
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9
Keep slight right
7.6 mi · 9 min
-
10
At the end of the road, turn left onto East Haddam Road
1.2 mi · 1 min · East Haddam Road
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11
Exit the roundabout onto New London Road
2.8 mi · 5 min · New London Road
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12
Continue on Hartford-New London Turnpike
3.1 mi · 5 min · Hartford-New London Turnpike
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13
Continue on Hartford Turnpike
4.4 mi · 8 min · Hartford Turnpike
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14
Continue on Broad Street
94 m · 14 sec · Broad Street
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15
Take the exit left
590 ft · 14 sec
-
16
Merge slight left
2.6 mi · 4 min
-
17
Take the exit slight right toward US 1 North: Thames Street, Downtown Groton
676 ft · 23 sec
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18
Keep slight right
1464 ft · 50 sec
-
19
Keep slight left
69 m · 10 sec
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20
Continue on North Street
1569 ft · 35 sec · North Street
-
21
Continue on Mitchell Street
2610 ft · 55 sec · Mitchell Street
-
22
Turn right onto Ledyard Avenue
616 ft · 33 sec · Ledyard Avenue
-
23
Turn sharp right onto Smith Street
8 m · 1 sec · Smith Street
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24
Arrive at your destination
0 m · 1 sec · Smith Street
Car Route Details
A richer read on the saved driving route between Hartford and Groton.
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.
CT 2 East
Keep slight right
19.3 mi · 00h 22m
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 Hartford to Groton?
The road trip is about 49 miles (78.9 km) and usually takes 01h 08m 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?
Colchester is a useful midpoint, sitting about 24.5 miles from Hartford and 24.5 miles from Groton.
How much longer is the road route than the straight-line distance?
The direct path is about 42.4 miles (68.3 km), while the road route adds roughly 6.6 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 4:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.82 one way or $13.65 round trip. Estimated CO2 is about 15.4 kg one way.
Stop Ideas Near Colchester
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 Colchester.
Old Saybrook station
New London Union Station
Foxwoods Casino, Connecticut
Hartford Union Station
Flight Path Map
This map shows the direct air route between Hartford and Groton. Straight-line distance: 42.43 mi (68.29 km).
#1 Hartford
The capital of Connecticut.
| Population | 121,535 |
| Coordinates | 41.7637100, -72.6850900 |
| Altitude | 18 |
| Country | United States |
#2 Groton
Town in Connecticut
| Population | 38,258 |
| Coordinates | 41.3501000, -72.0784100 |
| Altitude | 24 |
| Country | United States |
End: Groton (-72.07841, 41.3501)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $6.82 | $13.65 |
| Mid-grade | $4.46 | $7.71 | $15.42 |
| Premium | $4.86 | $8.40 | $16.81 |
| Diesel | $6.00 | $10.37 | $20.75 |
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 Connecticut · 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.