According to Britain's Restaurant Magazine..

Restaurant: Closest Airport Code

1. El Celler De Can Roca: GRO
2. Noma: CPH
3. Osteria Francescana: BLQ
4. Mugaritz: EAS
5. Eleven Madison Park: LGA
6. D.O.M.: GRU
7. Dinner By Heston Blumenthal: LHR
8. Arzak: EAS
9. Steirereck: VIE
10. Vendome: CGN
See full list at theworlds50best.com