Distance between Rockdale IL and Johnston IA
The distance from Rockdale to Johnston is 308 miles by road including 306 miles on motorways. Road takes approximately 4 hours and 34 minutes and goes through Peru, Davenport, Iowa City, Minooka, Ottawa, Princeton and Colona.
| Shortest distance by air | 289 mi ✈️ |
| Car route length | 308.2 mi 🚗 |
| Driving time | 4 h 34 min |
| Fuel amount | 10.5 gal |
| Fuel cost | 41.2 USD |
| Point | Distance | Time | Fuel | |
| Rockdale | 0 mi | 00 min | 0.0 gal | |
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I 80 11 mi, 10 min
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| Minooka | 11 mi | 10 min | 0.3 gal | |
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I 80 34 mi, 30 min
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| Ottawa | 45 mi | 40 min | 1.4 gal | |
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I 80 13 mi, 11 min
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| Peru | 58 mi | 51 min | 1.9 gal | |
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I 80 17 mi, 14 min
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| Princeton | 75 mi | 1 h 06 min | 2.5 gal | |
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I 80 47 mi, 41 min
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| Colona | 122 mi | 1 h 48 min | 4.1 gal | |
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I 280 I 74 7 mi, 06 min
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| Moline | 129 mi | 1 h 54 min | 4.3 gal | |
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I 280 15 mi, 13 min
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| Davenport | 144 mi | 2 h 07 min | 4.7 gal | |
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I 280 I 80 49 mi, 43 min
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| Iowa City | 193 mi | 2 h 51 min | 6.5 gal | |
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I 80 115 mi, 1 h 43 min
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| Johnston | 308 mi | 4 h 34 min | 10.4 gal | |
Hotels of Johnston
Frequently Asked Questions
How much does it cost to drive from Rockdale to Johnston?
Fuel cost: 41.2 USD
This fuel cost is calculated as: (Route length 308.2 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.93 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Rockdale to Johnston?
Driving time: 4 h 34 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 266 mi with a maximum speed 68 mph = 3 h 54 min
- 38 mi with a maximum speed 65 mph = 34 min
- 2 mi with a maximum speed 50 mph = 3 min
- 1 mi with a maximum speed 31 mph = 1 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Rockdale to Johnston by land?
The distance between Rockdale and Johnston is 308.2 mi by road including 305.7 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Rockdale and Johnston respectively.
How far is Rockdale to Johnston by plane?
The shortest distance (air line, as the crow flies) between Rockdale and Johnston is 288.9 mi.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Rockdale and Johnston respectively. Actual distance between airports may be different.
How many hours is Rockdale from Johnston by plane?
Boeing 737 airliner needs 34 min to cover the distance of 289 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 2 h 6 min to flight this distance at average speed of 136 mph.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Rockdale to Johnston?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 1 h 56 min to cover the distance of 289 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 2 h 12 min to flight this distance at average speed of 130 mph.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Rockdale and Johnston?
The halfway point between Rockdale and Johnston is Davenport. It is located about 10 mi from the exact midpoint by road.
The distance from Davenport to Rockdale is 144 mi and driving will take about 2 h 7 min. The road between Davenport and Johnston has length 164 mi and will take approximately 2 h 26 min.
The other cities located close to halfway point:
Where is Rockdale in relation to Johnston?
Rockdale is located 289 mi east of Johnston.
Rockdale has geographic coordinates: latitude 41.50614, longitude -88.1145.
Johnston has geographic coordinates: latitude 41.67315, longitude -93.69734.
Which highway goes from Rockdale to Johnston?
The route from Rockdale to Johnston follows I 80.
Other minor sections pass along the road:
- US 6: 40 mi
- I 280: 27 mi
- I 74: 9 mi
- US 61: 6 mi
- I 35: 6 mi
- US 65: 1 mi