How far is Groton, CT from Hartford, CT?
The driving distance from Groton, CT to Hartford, CT is about 49.2 miles (79.2 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 42.4 miles (68.3 km).
- For a round trip, plan for roughly 01h 54m 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 57m.
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.
Slight Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Groton and Hartford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Groton and Hartford.
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1
Start on Smith Street
532 ft · 27 sec · Smith Street
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2
Turn right onto Allen Street
136 m · 24 sec · Allen Street
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3
Turn left onto Mitchell Street
2110 ft · 44 sec · Mitchell Street
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4
Continue on North Street
1569 ft · 35 sec · North Street
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5
Take the ramp straight
2603 ft · 1 min
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6
Merge slight left
2.8 mi · 4 min
-
7
Take the exit slight right toward CT 85: Broad Street, Waterford
1265 ft · 37 sec
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8
Turn right onto Hartford Turnpike
4.3 mi · 8 min · Hartford Turnpike
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9
Continue on Hartford-New London Turnpike
3.1 mi · 5 min · Hartford-New London Turnpike
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10
Continue on New London Road
2.8 mi · 5 min · New London Road
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11
Enter the roundabout and take exit 3 toward East Haddam Road
51 m · 2 sec · East Haddam Road
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12
Exit the roundabout onto East Haddam Road
1.6 km · 1 min · East Haddam Road
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13
Take the exit right toward CT 11 North: Colchester, Hartford
7.7 mi · 9 min
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14
Merge slight right
24.5 mi · 30 min
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15
Continue on State Street
556 ft · 14 sec · State Street
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16
Continue on American Row
160 m · 18 sec · American Row
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17
Turn left onto Main Street
1863 ft · 42 sec · Main Street
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18
Turn right onto Capitol Avenue
3000 ft · 1 min · Capitol Avenue
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19
Turn right onto Armory Road
34 m · 9 sec · Armory Road
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20
Arrive at your destination
0 m · 1 sec · Armory Road
Car Route Details
A richer read on the saved driving route between Groton and Hartford.
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 11 North
Merge slight right
24.5 mi · 00h 30m
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.
Slight Chance Rain Showers leaving Groton and Slight Chance Rain Showers near Hartford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Groton to Hartford?
The road trip is about 49.2 miles (79.2 km) and usually takes 00h 57m 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 24.4 miles from Groton and 24.8 miles from Hartford.
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 6.8 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 4:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.86 one way or $13.73 round trip. Estimated CO2 is about 15.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Groton and Slight Chance Rain Showers near Hartford.
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 Groton and Hartford. Straight-line distance: 42.43 mi (68.29 km).
#1 Groton
Town in Connecticut
| Population | 38,258 |
| Coordinates | 41.3501000, -72.0784100 |
| Altitude | 24 |
| Country | United States |
#2 Hartford
The capital of Connecticut.
| Population | 121,535 |
| Coordinates | 41.7637100, -72.6850900 |
| Altitude | 18 |
| Country | United States |
End: Armory Road (-72.685307, 41.763718)
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 59m |
| 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 | $6.86 | $13.73 |
| Mid-grade | $4.46 | $7.76 | $15.51 |
| Premium | $4.86 | $8.45 | $16.91 |
| Diesel | $6.00 | $10.43 | $20.87 |
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.