3124 NM · 5786 km

OIIEVDSR

Tehran, Iran to Siem Reap, Cambodia

Route Airports

Country Permit Flags

Key requirements for origin and destination countries. Full checklists on each country page.

AOC
Not required
Prepayment
Not required
FIR Routing
Required
PIC Name
Not required
Overflight validity: Overflight validity is only until 23:59Z of the following day from the approved date of your flight's departure.
AOC
Not required
Prepayment
Not required
FIR Routing
Not required
PIC Name
Not required
Overflight validity: Overflight validity is plus 72 hours or minus 72 hours from the approved date of your flight's departure.

Frequently Asked Questions

What is the great-circle distance from OIIE to VDSR in nautical miles?

The great-circle distance from OIIE (Tehran, Iran) to VDSR (Siem Reap, Cambodia) is approximately 3124 NM (5786 km). This is the direct track distance; actual flight distance will vary with routing and ATC.

What overflight and landing permits are required on the OIIE to VDSR route?

Landing permits are required for both Iran and Cambodia. Additionally, overflight clearances are required for every sovereign airspace transited on the filed routing — not just origin and destination. For a non-direct track, this typically means several additional country permits that are not shown in the country flags above. Assess your full routing against NOTAM and current permit status for each FIR transited.

1FLT Trip Support

Everything the OIIEVDSR route requires, handled.

Landing permits, overflight clearances, ground handling, jet fuel, and direct cargo capacity on owned A320P2F freighters - one team, one consolidated invoice.

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Permits, ground handling, fuel, and cargo charter for Tehran to Siem Reap.

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OIIE to VDSR - Tehran to Siem Reap Flight Route | 1FLT