CMH · KCMH · John Glenn Columbus International Airport

John Glenn Columbus International Airport (CMH)

Columbus, United States · large airport · 39.998° -82.892° ·
Airport Information
IATA CodeCMH
ICAO CodeKCMH
Typelarge airport
NameJohn Glenn Columbus International Airport
MunicipalityColumbus
CountryUnited States
ContinentNA
Latitude39.998° N
Longitude-82.892° W
Elevation815 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score1 675
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionColumbus
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving CMH

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (40.0°N)

Jan
Feb
10°
Mar
13°
Apr
17°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
Nov
12°
Dec
* Approximate average temperatures by month based on temperate latitude zone

AI-Enhanced Insights

John Glenn Columbus International Airport (CMH) is the largest airport in central Ohio, located about 6 miles east of downtown Columbus. It was renamed in 2016 to honor John Glenn, the first American to orbit Earth and a former U.S. Senator from Ohio. The airport serves as a key hub for the region, offering flights to numerous domestic destinations and select international routes.

💡 Local Tip
If you have a layover or early arrival, check out the John Glenn Astronomy Park nearby in Hocking Hills for a unique Ohio experience, or grab a coffee at the locally-roasted One Line Coffee shop inside the terminal for a taste of Columbus.
🚖 Getting There

The Central Ohio Transit Authority (COTA) operates bus route 7 and an AirConnect service between the airport and downtown Columbus for budget-friendly travelers. Rideshare services like Uber and Lyft have designated pickup zones outside baggage claim. Taxis and rental car facilities are also available on-site, and the airport is conveniently located near Interstate 670 for easy highway access.

❓ Frequently Asked Questions
Q: How far is John Glenn Columbus International Airport from downtown Columbus?
A: The airport is approximately 6 miles east of downtown Columbus, typically a 10-15 minute drive depending on traffic.

Q: Does CMH offer international flights?
A: Yes, the airport offers a limited number of seasonal and year-round international flights, primarily to destinations in Canada, Mexico, and the Caribbean. Most flights are domestic.

Q: What are the airport's terminal options?
A: CMH has a main terminal complex with three concourses (A, B, and C) that handle all airline operations under one roof, making it easy to navigate.

Q: Is there a hotel directly connected to the airport?
A: While there is no hotel directly attached to the terminal, several hotels are located within a mile of the airport, many offering complimentary shuttle services.
AI-generated content · Generated Jun 28, 2026 · MiniMax-M3

🗺 Location Map

🌏 Nearby Airports (Top 5)

IATANameCity / CountryDistance (km)Distance (mi)Link
OSU The Ohio State University Airport - Don Scott Field Columbus, United States 17.9 km 11.1 mi View →
LCK Rickenbacker International Airport Columbus, United States 20.7 km 12.9 mi View →
MNN Marion Municipal Airport Marion, United States 70.3 km 43.7 mi View →
SGH Springfield-Beckley Municipal Airport Springfield, United States 82.8 km 51.4 mi View →
GQQ Galion Municipal Airport Galion, United States 85.2 km 52.9 mi View →

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