| Harpenden to Yesilyurt | 2,070.78 mi (3,332.60 km) |
| Harpenden to Yesilyurt | 1,912.41 mi (3,077.73 km) |
| Harpenden to Yigilca | 1,672.79 mi (2,692.09 km) |
| Harpenden to Yildirim | 1,612.65 mi (2,595.31 km) |
| Harpenden to Yildizeli | 1,934.02 mi (3,112.50 km) |
| Harpenden to Yozgat | 1,860.95 mi (2,994.90 km) |
| Harpenden to Yuksekova | 2,357.03 mi (3,793.28 km) |
| Harpenden to Yumurtalik | 2,037.97 mi (3,279.79 km) |
| Harpenden to Yunak | 1,778.32 mi (2,861.93 km) |
| Harpenden to Yuregir | 2,008.92 mi (3,233.04 km) |
| Harpenden to Yusufeli | 2,103.77 mi (3,385.70 km) |
| Harpenden to Zara | 1,981.30 mi (3,188.60 km) |
| Harpenden to Zile | 1,885.70 mi (3,034.75 km) |
| Harpenden to Zonguldak | 1,666.96 mi (2,682.71 km) |
| Harpenden to Abbots Langley | 8.50 mi (13.67 km) |
