| South Portland to Yesilyurt | 5,230.31 mi (8,417.37 km) |
| South Portland to Yesilyurt | 5,070.30 mi (8,159.86 km) |
| South Portland to Yigilca | 4,840.04 mi (7,789.30 km) |
| South Portland to Yildirim | 4,784.24 mi (7,699.48 km) |
| South Portland to Yildizeli | 5,091.27 mi (8,193.61 km) |
| South Portland to Yozgat | 5,024.32 mi (8,085.85 km) |
| South Portland to Yuksekova | 5,493.29 mi (8,840.60 km) |
| South Portland to Yumurtalik | 5,208.24 mi (8,381.85 km) |
| South Portland to Yunak | 4,949.65 mi (7,965.70 km) |
| South Portland to Yuregir | 5,179.36 mi (8,335.37 km) |
| South Portland to Yusufeli | 5,228.83 mi (8,414.99 km) |
| South Portland to Zara | 5,133.77 mi (8,262.00 km) |
| South Portland to Zile | 5,043.13 mi (8,116.14 km) |
| South Portland to Zonguldak | 4,831.46 mi (7,775.49 km) |
| South Portland to Abbots Langley | 3,171.63 mi (5,104.25 km) |
