The distance from Oakland to Columbus is approximately 3,300 kilometers. The most practical mode is a flight from OAK or SFO to John Glenn Columbus International Airport (CMH). There is no direct train service to Columbus; you would need to take a train to a nearby city and then a bus or rental car. Flying takes about 5.5 hours, while the combined train/bus journey takes over 3 days.
Total Distance: 3,300 km air distance.
Southwest offers many direct and connecting flights to CMH.
Spring or Fall for mild weather and outdoor activities.