Union County Airport KMRT
Union County Airport (KMRT) is a non-towered airport in Marysville, Ohio, 1,021 feet above sea level. Its one runway is 09/27, 4,218 feet of asphalt, lighted. Approach and departure service comes from John Glenn Columbus International. The closest other airport on TowerScope is Delaware Municipal Airport (KDLZ), 11 nautical miles east.
Runways
| Runway | Length | Surface | Lighted |
|---|---|---|---|
| 09/27 | 4,218 ft | asphalt | Yes |
Frequencies
John Glenn Columbus International tower and approach
- 125.95 Approach and departure IC
- 317.775 Approach and departure IC
Union County Airport weather station
- 126.5 MRT AWOS-3PT
Union County no tower
- 123.05 CTAF, UNICOM
From the FAA NASR 28-day data, cycle 2026-10-01. Check the Chart Supplement before use.
Location
40.2247, -83.3516. Field elevation 1021 ft. No control tower on file.
Nearby airports
- KDLZ Delaware Municipal Airport 11 NM east
- KOSU The Ohio State University Airport - Don Scott Field 15 NM southeast
- KUYF Madison County Airport 18 NM south
- KI74 Grimes Field 19 NM west
- KTZR Bolton Field 22 NM southeast
- KEDJ Bellefontaine Regional Airport 23 NM northwest
- KCMH John Glenn Columbus International Airport 25 NM southeast
- KI95 Hardin County Airport 27 NM northwest