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John Glenn Columbus International Airport (CMH) is the primary commercial airport for Columbus, Ohio, located about six miles east of downtown. Originally opened as Port Columbus in 1929 and renamed in 2016 for Ohio astronaut and U.S. Senator John Glenn, it is the largest airport in central Ohio. CMH offers nonstop flights across the United States and a limited number of international routes, with a compact, easy-to-navigate terminal.
💡 Local Tip
Frequent visitors know the airport is compact, but check your concourse and gate—the walk from security to the farthest gates can take 10–15 minutes. The cell phone lot is a free, convenient place to wait for arriving passengers instead of circling the terminal.
🚖 Getting There
CMH sits just off I-670, making it a quick drive from downtown Columbus and the Short North. Rideshare pickups use a designated zone outside baggage claim, and taxis are available on the curb. COTA bus service is the cheapest option, while rental car options are available at the airport.
❓ Frequently Asked Questions
Q: How far is CMH from downtown Columbus?
A: It is about 6 miles (10 km) east of downtown, typically a 10- to 15-minute drive depending on traffic.
Q: What airlines fly to CMH?
A: Major carriers include Southwest, American, Delta, United, Alaska, Spirit, and Breeze, among others, plus seasonal international service.
Q: Is there public transportation to the airport?
A: COTA, Columbus's public bus system, offers service between CMH and downtown; rideshares, taxis, and rental cars are also available.
Q: How early should I arrive?
A: For domestic flights, arrive at least 90 minutes before departure; for international flights, 2 hours is safer. Security wait times vary by concourse.
AI-generated content · Generated Sep 27, 2026 · deepseek-v4.1-flash