Distance from ZIP 51528 to 51439
Dow City, IA → Charter Oak, IA
Straight Line Distance
12 miles
20 km
Great circle distance between ZIP code centers
Driving (est.)
≈ 13min
At 90 km/h average. Actual road distance is typically 15-30% longer.
Flying (est.)
≈ 46min
At 850 km/h cruise plus takeoff and landing.
Route Map
Frequently Asked Questions
The straight-line distance between ZIP code 51528 (Dow City, IA) and 51439 (Charter Oak, IA) is 12 miles (20 km).
Driving takes approximately 13min at an average speed of 90 km/h. Actual road distance is typically 15-30% longer than the straight line.