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RNS to UNI: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Union Island (Union Island International Airport)
4,184 mi
6,734 km · 3,636 nm
8h 40m
estimated nonstop flight time
-6h
time difference · heading west
See live RNS→UNI fares Phone-only fares on this route — call free
Flight time details
4,184 miles nonstop takes roughly 8h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- RNS — Rennes-Saint-Jacques Airport · Rennes, France
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RNS
- DNR · Dinard-Pleurtuit-Saint-Malo Airport39 mi away
- LVA · Laval-Entrammes Airport46 mi away
- VNE · Vannes-Meucon Airport51 mi away
- SNR · Saint-Nazaire-Montoir Airport56 mi away
Near UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Frequently asked questions
How far is RNS from UNI?
The flight distance from Rennes (RNS) to Union Island (UNI) is 4,184 miles (6,734 km, 3,636 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to UNI?
A nonstop flight takes about 8h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Rennes and Union Island?
Union Island is 6 hours behind Rennes.
What is the cheapest way to fly from RNS to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–UNI that never appear on search engines, with no booking fees.