| Donostia to Yesilyurt | 1,967.85 mi (3,166.95 km) |
| Donostia to Yigilca | 1,708.85 mi (2,750.12 km) |
| Donostia to Yildirim | 1,607.89 mi (2,587.65 km) |
| Donostia to Yildizeli | 1,989.88 mi (3,202.40 km) |
| Donostia to Yozgat | 1,901.39 mi (3,059.99 km) |
| Donostia to Yuksekova | 2,433.21 mi (3,915.87 km) |
| Donostia to Yumurtalik | 2,030.30 mi (3,267.45 km) |
| Donostia to Yunak | 1,771.19 mi (2,850.46 km) |
| Donostia to Yuregir | 2,001.15 mi (3,220.54 km) |
| Donostia to Yusufeli | 2,213.04 mi (3,561.55 km) |
| Donostia to Zara | 2,046.79 mi (3,293.99 km) |
| Donostia to Zile | 1,944.27 mi (3,129.01 km) |
| Donostia to Zonguldak | 1,716.81 mi (2,762.95 km) |
| Donostia to Abbots Langley | 583.62 mi (939.24 km) |
| Donostia to Aberaman | 582.93 mi (938.13 km) |
