KHIO vs OR21
Comparing Portland Hillsboro Airport and Miller Airstrip side by side. They are 57 NM apart.
| KHIO HIOPortland Hillsboro Airport | OR21Miller Airstrip | |
| Location | Portland, United States | Albany, United States |
|---|---|---|
| Type | Medium Airport | Small Airport |
| Elevation | 208 ft | 279 ft |
| Runways | 3 (longest 2012x46m) | 1 (longest 518x11m) |
| ILS approach | No | No |
| Port of entry | Yes, with conditions User fee airport: permission to land from CBP needed (19 CFR 122.15); customs 2000-0400Z (one hour earlier in daylight saving time); at other times advance coordination needed (NASR)Source: 19 CFR 122.15 User fee airports, 2026-10-13 (last amended 2025-11-17) | Not recorded |
| Customs hours | — | — |
| Fuel | 100LL, Jet ASource: FAA NASR airport data, cycle 2026-10-01 | — |