| Romanshorn to Yesilyurt | 1,429.41 mi (2,300.41 km) |
| Romanshorn to Yigilca | 1,179.17 mi (1,897.68 km) |
| Romanshorn to Yildirim | 1,105.42 mi (1,779.00 km) |
| Romanshorn to Yildizeli | 1,451.44 mi (2,335.87 km) |
| Romanshorn to Yozgat | 1,371.51 mi (2,207.23 km) |
| Romanshorn to Yuksekova | 1,887.32 mi (3,037.35 km) |
| Romanshorn to Yumurtalik | 1,534.83 mi (2,470.07 km) |
| Romanshorn to Yunak | 1,272.59 mi (2,048.04 km) |
| Romanshorn to Yuregir | 1,505.48 mi (2,422.83 km) |
| Romanshorn to Yusufeli | 1,647.45 mi (2,651.31 km) |
| Romanshorn to Zara | 1,503.26 mi (2,419.26 km) |
| Romanshorn to Zile | 1,403.64 mi (2,258.93 km) |
| Romanshorn to Zonguldak | 1,178.37 mi (1,896.41 km) |
| Romanshorn to Abbots Langley | 521.80 mi (839.76 km) |
| Romanshorn to Aberaman | 638.56 mi (1,027.66 km) |
