The distance between Des Moine, Iowa, and Fairfield, Iowa, is approximately 100 miles if you drive via IA-34 W. Depending on traffic and weather, the drive typically takes around 1 hr 39 mins.
Train
I apologise, but there are currently no available passenger train routes between Des Moines and Fairfield.
Bus
Des Moines and Fairfield are not connected by any direct public bus routes. However, you could potentially take a bus from Des Moines to Ottumwa, Iowa, which is about 40 miles from Fairfield, and then take local transportation or a taxi the rest of the way.
Flight
There are also no airports in Fairfield. The nearest airport is the Southeast Iowa Regional Airport (BRL) in Burlington, Iowa, which is approximately 45 miles from Fairfield. From there, you would need to arrange for ground transportation to reach Fairfield.
Overall, the most direct and convenient option is probably to drive between Des Moines and Fairfield by car.
