| Frauenfeld to Ilawa | 626.16 mi (1,007.71 km) |
| Frauenfeld to Imielin | 501.42 mi (806.96 km) |
| Frauenfeld to Inowroclaw | 549.53 mi (884.39 km) |
| Frauenfeld to Janow Lubelski | 647.92 mi (1,042.73 km) |
| Frauenfeld to Jarocin | 489.83 mi (788.31 km) |
| Frauenfeld to Jaroslaw | 649.04 mi (1,044.53 km) |
| Frauenfeld to Jasien | 628.91 mi (1,012.14 km) |
| Frauenfeld to Jaslo | 592.82 mi (954.05 km) |
| Frauenfeld to Jastrzebie-Zdroj | 470.85 mi (757.76 km) |
| Frauenfeld to Jawor | 407.93 mi (656.50 km) |
| Frauenfeld to Jaworzno | 505.12 mi (812.91 km) |
| Frauenfeld to Jedrzejow | 557.33 mi (896.93 km) |
| Frauenfeld to Jelcz-Laskowice | 449.41 mi (723.26 km) |
| Frauenfeld to Jelenia Gora | 385.46 mi (620.34 km) |
| Frauenfeld to Jozefoslaw | 624.92 mi (1,005.71 km) |
