How far is Harrington, DE from Seaford, DE?
The driving distance from Harrington, DE to Seaford, DE is about 20.8 miles (33.5 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 19.6 miles (31.5 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Sussex County, Delaware, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Harrington and Seaford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrington and Seaford.
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1
Start on Hanley Street
23 m · 7 sec · Hanley Street
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2
Turn left onto Clark Street
2712 ft · 46 sec · Clark Street
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3
Turn right onto South Dupont Highway
6.2 mi · 7 min · South Dupont Highway
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4
Continue on Sussex Highway
10.6 mi · 15 min · Sussex Highway
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5
Take the exit slight right
51 m · 5 sec
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6
Continue on Bridgeville Highway
2.6 mi · 4 min · Bridgeville Highway
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7
Continue on North Front Street
2242 ft · 49 sec · North Front Street
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8
Turn right onto High Street
675 ft · 40 sec · High Street
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9
Turn left onto South Pine Street
15 m · 2 sec · South Pine Street
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10
Arrive at your destination
0 m · 1 sec · South Pine Street
Car Route Details
A richer read on the saved driving route between Harrington and Seaford.
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.
Sussex Highway
Continue on Sussex Highway
10.6 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Harrington and Sunny near Seaford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrington to Seaford?
The road trip is about 20.8 miles (33.5 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Greenwood is a useful midpoint, sitting about 10.3 miles from Harrington and 10.6 miles from Seaford.
How much longer is the road route than the straight-line distance?
The direct path is about 19.6 miles (31.5 km), while the road route adds roughly 1.2 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.98 one way or $5.97 round trip. Estimated CO2 is about 6.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Harrington and Sunny near Seaford.
Stop Ideas Near Greenwood
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 Greenwood.
Dover, Delaware
Easton Airport, Maryland
Cambridge, Maryland
Salisbury (BayRunner Shuttle), Maryland
Flight Path Map
This map shows the direct air route between Harrington and Seaford. Straight-line distance: 19.6 mi (31.54 km).
#1 Harrington
City in Delaware, United States
| Population | 3,663 |
| Coordinates | 38.9237200, -75.5777000 |
| Altitude | 18 |
| Country | United States |
#2 Seaford
City in Delaware, United States
| Population | 8,246 |
| Coordinates | 38.6412300, -75.6110400 |
| Altitude | 7 |
| Country | United States |
End: South Pine Street (-75.610981, 38.641272)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 41m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.98 | $5.97 |
| Mid-grade | $4.60 | $3.36 | $6.71 |
| Premium | $4.95 | $3.62 | $7.23 |
| Diesel | $5.98 | $4.37 | $8.73 |
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 Delaware · 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.