Airports / Wisconsin / KMRJ
Iowa County Airport.
Mineral Point, Wisconsin · 1,171 ft elevation. A private-aviation gateway on the Bravo register.
KMRJ
ICAO identifier
0
Operators based
1,171
Elevation ft
FBOs on field
Field elevation
Nearest alternate
Field standing
36 nm
To the nearest alternate
Dubuque Regional Airport (DBQ), 2 fields within 50 nm.
Overview
Located in Mineral Point, Wisconsin, Iowa County Airport (KMRJ) operates as a general aviation field. Field elevation is 1,171 feet above sea level. Free of scheduled airline operations, it serves business aviation, charter flights, and local general aviation.
While no charter operators list KMRJ as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Dubuque Regional Airport (DBQ, 36 nm), Dane County Regional Truax Field (MSN, 42 nm), and Volk Field (VOK, 63 nm). The field has 2 runways, the longest 5,000-foot paved runway, long enough for charter aircraft up to super-midsize jets.
Trip costs from KMRJ are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from KMRJ to plan your flight.
1 FBO serves KMRJ. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Iowa County Airport FBO
Your FBO? Claim it, free- Fuel
- Hangar
- 24 hours (self-serve fuel), attended Mon-Fri 0600-1600, Sat-Sun on call
- Unicom 122.8
- Courtesy car
- Car rental
- Restrooms
- Hangar
- Maintenance
- Parking
- Fuel
- Oxygen
- +1 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KMRJ
IATA
n/a
FAA / Local
KMRJ
Elevation
1,171 ft
Coordinates
42.8868° N · 90.2366° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs WI fields
state range 610–1,642 ft
At 1,171 ft, KMRJ sits higher than 72% of the 58 Wisconsin fields on the register.
Runways & aircraft access
2 runways
longest 5,000 ft
- 043,601 ft × 60 ftAsphaltLighted
- 115,000 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 5,000 ft
KMRJ's 5,000 ft paved runway typically supports charter aircraft up to super-midsize jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 36nmDBQDubuque Regional AirportDubuque
- 42nmMSNDane County Regional Truax FieldMadison
- 63nmVOKVolk FieldCamp Douglas
- 65nmRFDChicago Rockford International AirportChicago/Rockford
- 74nmLSELa Crosse Regional AirportLa Crosse
- 87nmMLIQuad City International AirportMoline
Location
Open the full mapKMRJ · Iowa County Airport · Mineral Point, WI
Flight times from here
Approximate nonstop block times from KMRJ on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Nashville (BNA) | 438 nm | 1h 25m |
| Washington DC (IAD) | 626 nm | 1h 51m |
| Denver (DEN) | 674 nm | 1h 58m |
| Dallas (DAL) | 679 nm | 1h 59m |
| New York (TEB) | 732 nm | 2h 6m |
| Vail / Eagle (EGE) | 776 nm | 2h 12m |
| Aspen (ASE) | 783 nm | 2h 13m |
| Houston (HOU) | 831 nm | 2h 20m |
Common questions
- What size private jets can use KMRJ?
- Iowa County Airport's longest paved runway is 5,000 ft, which typically supports charter aircraft up to super-midsize jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at KMRJ?
- Iowa County Airport has 2 runways; the longest measures 5,000 ft on a paved surface and is lit for night operations.
- Which FBOs are at Iowa County Airport?
- One FBO serves KMRJ: Iowa County Airport FBO. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to KMRJ?
- The closest alternate is Dubuque Regional Airport (DBQ), about 36 nm away, followed by Dane County Regional Truax Field (MSN) at 42 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KMRJ to major cities?
- Typical block times on a midsize jet: Nashville about 1h 25m (438 nm), Washington DC about 1h 51m (626 nm), Denver about 1h 58m (674 nm). Faster classes trim these times; add positioning and taxi for the real schedule.