How far is Westport, MA from Johnston, IA?
The driving distance from Westport, MA to Johnston, IA is about 1316.1 miles (2118.1 km), with a travel time of about 24h 46m by car.
- The straight-line flight distance is about 1167.1 miles (1878.3 km).
- For a round trip, plan for roughly 49h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 24h 46m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
A city in Cuyahoga County, Ohio.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Westport and Johnston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westport and Johnston.
-
1
Start on Old Westport Road
2946 ft · 1 min · Old Westport Road
-
2
Continue on Old County Road
2.3 mi · 4 min · Old County Road
-
3
Turn right onto Veterans Of Foreign Wars Memorial Drive
3.5 mi · 5 min · Veterans Of Foreign Wars Memorial Drive
-
4
Keep slight left to continue on I 195 West: Providence Rhode Island
1.3 km · 2 min
-
5
Merge slight left
2.1 mi · 3 min
-
6
Keep slight left
17.3 mi · 22 min
-
7
Keep slight right to continue on I 95 North, US 6 West: Boston Massachusetts
669 ft · 16 sec
-
8
Keep slight left to continue on I 95 North, US 6 West: Boston Massachusetts
1.6 km · 2 min
-
9
Keep slight right to continue on Grand Army of the Republic Highway
1047 ft · 13 sec · Grand Army of the Republic Highway
-
10
Continue on Grand Army of the Republic Highway
2109 ft · 26 sec · Grand Army of the Republic Highway
-
11
Continue on Grand Army of the Republic Highway
889 ft · 11 sec · Grand Army of the Republic Highway
-
12
Continue on 6/10 Connector
1.4 km · 55 sec · 6/10 Connector
-
13
Keep slight right to continue on Dennis J. Roberts Expressway
3.4 mi · 4 min · Dennis J. Roberts Expressway
-
14
Take the exit slight right toward RI 5: Atwood Avenue
1210 ft · 41 sec
-
15
Keep slight right to continue on Johnston
86 m · 7 sec
-
16
Turn straight onto Atwood Avenue
2198 ft · 42 sec · Atwood Avenue
-
17
Turn left onto Hartford Avenue
4 mi · 5 min · Hartford Avenue
-
18
Continue on Hartford Pike
2.1 mi · 2 min · Hartford Pike
-
19
Continue on Grand Army Highway
10 mi · 12 min · Grand Army Highway
-
20
Continue on Providence Pike
1224 ft · 16 sec · Providence Pike
-
21
Keep slight right to continue on Providence Pike
5.1 mi · 6 min · Providence Pike
-
22
Continue on Providence Road
3.5 mi · 5 min · Providence Road
-
23
Continue on Hartford Road
3.8 mi · 6 min · Hartford Road
-
24
Continue on Providence Turnpike
2.4 mi · 3 min · Providence Turnpike
-
25
Continue on Hartford Turnpike
2.5 mi · 3 min · Hartford Turnpike
-
26
Continue on Hampton Road
1.9 mi · 2 min · Hampton Road
-
27
Continue on Willimantic Road
1.5 mi · 2 min · Willimantic Road
-
28
Continue on Boston Post Road
2 mi · 3 min · Boston Post Road
-
29
Keep slight right
5.4 mi · 7 min
-
30
Keep slight left to continue on Middletown Road
5 mi · 6 min · Middletown Road
-
31
Continue on Main Street
1.4 mi · 2 min · Main Street
-
32
Continue on West Main Street
3 mi · 3 min · West Main Street
-
33
Continue on Hebron Road
2.2 mi · 2 min · Hebron Road
-
34
Take the exit slight right toward CT 2 West: Hartford
1010 ft · 25 sec
-
35
Merge slight left
11 mi · 13 min
-
36
Take the exit slight right toward CT 3 South: Wethersfield
3188 ft · 1 min
-
37
Continue on CT 3 South: Wethersfield
1207 ft · 29 sec
-
38
Continue straight
2.2 mi · 3 min
-
39
Take the exit slight left toward I 91 South: New Haven
1 km · 1 min
-
40
Merge slight left
12.8 mi · 15 min
-
41
Take the exit slight right toward I 691 West: Meriden, Waterbury
1412 ft · 27 sec
-
42
Merge slight left
7.7 mi · 9 min
-
43
Keep slight left to continue on I 84 West: Waterbury
1 mi · 1 min
-
44
Merge slight left
36.2 mi · 44 min
-
45
Keep slight right
128.8 mi · 2 hr 32 min
-
46
Take the exit slight left toward I 81 South: Wilkes-Barre
1.2 mi · 2 min
-
47
Merge slight left onto American Legion Memorial Highway
35 mi · 42 min · American Legion Memorial Highway
-
48
Take the exit slight right toward I-80 West: Bloomsburg
1.1 km · 1 min
-
49
Merge slight left onto Keystone Shortway
272 mi · 4 hr 54 min · Keystone Shortway
-
50
Keep slight right
4.5 mi · 5 min
-
51
Take the exit slight right toward I 80 West, I 76 East
2550 ft · 1 min
-
52
Keep slight right to continue on I 80 West: Cleveland
2349 ft · 1 min
-
53
Merge slight left onto Ohio Turnpike
31.1 mi · 33 min · Ohio Turnpike
-
54
Keep slight left to continue on Ohio Turnpike
187.4 mi · 3 hr 21 min · Ohio Turnpike
-
55
Continue on Indiana Toll Road
135.8 mi · 2 hr 27 min · Indiana Toll Road
-
56
Take the exit slight right toward I 80 West, I 94, US 6: Des Moines
3216 ft · 1 min
-
57
Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East
543 ft · 13 sec
-
58
Keep slight left to continue on I 94 West, I 80 West
14.2 mi · 20 min
-
59
Take the exit slight right toward US 41 North: Calumet Avenue, Hammond, Munster
1047 ft · 16 sec
-
60
Keep slight left to continue on Calumet Avenue South
1187 ft · 18 sec
-
61
Keep slight left
1805 ft · 28 sec
-
62
Merge slight left onto Borman Expressway
2724 ft · 42 sec · Borman Expressway
-
63
Continue on Kingery Expressway
1.3 km · 1 min · Kingery Expressway
-
64
Take the exit slight right toward IL 394 South, I 94 West: Danville, Chicago
1.5 mi · 2 min
-
65
Keep slight left to continue on I 80 West, I 294 North
1703 ft · 26 sec
-
66
Merge slight left onto Tri-State Tollway
4.8 mi · 7 min · Tri-State Tollway
-
67
Keep slight right to continue on I 80 West: Iowa
145.4 mi · 2 hr 41 min
-
68
Keep slight left to continue on I 74 West, I 280 West: Moline, Rock Island
9.6 mi · 10 min
-
69
Keep slight left to continue on I 280 West: Des Moines
82 mi · 1 hr 30 min
-
70
Continue straight
94.1 mi · 1 hr 42 min
-
71
Take the exit slight right toward IA 28 South: Merle Hay Road, Saylorville Lake
1872 ft · 49 sec
-
72
Turn right onto Merle Hay Road
1.4 mi · 3 min · Merle Hay Road
-
73
Arrive at your destination
0 m · 1 sec · Merle Hay Road
Car Route Details
A richer read on the saved driving route between Westport and Johnston.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Keystone Shortway
Merge slight left onto Keystone Shortway
272 mi · 04h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Westport and Showers And Thunderstorms near Johnston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Westport to Johnston?
The road trip is about 1316.1 miles (2118.1 km) and usually takes 24h 46m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Strongsville is a useful midpoint, sitting about 651.1 miles from Westport and 665 miles from Johnston.
How much longer is the road route than the straight-line distance?
The direct path is about 1167.1 miles (1878.3 km), while the road route adds roughly 149 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 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $200.11 one way or $400.22 round trip. Estimated CO2 is about 412.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Westport and Johnston, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Westport and Showers And Thunderstorms near Johnston.
Stop Ideas Near Strongsville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cleveland City Hall
Parma City Hall
Brunswick City Hall Recreation
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Strongsville.
Elyria
Cleveland Lakefront station
Sandusky
Alliance
Flight Path Map
This map shows the direct air route between Westport and Johnston. Straight-line distance: 1167.1 mi (1878.27 km).
#1 Westport
Town of the United States
| Population | 16,097 |
| Coordinates | 41.6257700, -71.0261000 |
| Altitude | - |
| Country | United States |
#2 Johnston
City in Iowa, United States
| Population | 23,092 |
| Coordinates | 41.6730400, -93.6977200 |
| Altitude | 253 |
| Country | United States |
End: Johnston (-93.69772, 41.67304)
Estimated Travel Time
Distance: 2118 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 43h 51m |
| 40 mph (64.37 km/h) | 32h 54m |
| 50 mph (80.47 km/h) | 26h 19m |
| 60 mph (96.56 km/h) | 21h 56m |
| 70 mph (112.65 km/h) | 18h 48m |
| 80 mph (129 km/h) | 16h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.31 | $200.11 | $400.22 |
| Mid-grade | $4.94 | $229.37 | $458.73 |
| Premium | $5.35 | $248.55 | $497.09 |
| Diesel | $6.33 | $293.83 | $587.65 |
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 · Oct 15, 2026