| Frauenfeld to Glyka Nera | 1,002.35 mi (1,613.12 km) |
| Frauenfeld to Grevena | 808.25 mi (1,300.75 km) |
| Frauenfeld to Ialysos | 1,246.80 mi (2,006.52 km) |
| Frauenfeld to Ilion | 994.68 mi (1,600.78 km) |
| Frauenfeld to Ilioupoli | 1,001.55 mi (1,611.83 km) |
| Frauenfeld to Ioannina | 807.31 mi (1,299.25 km) |
| Frauenfeld to Irakleio | 1,186.42 mi (1,909.36 km) |
| Frauenfeld to Irakleio | 996.37 mi (1,603.50 km) |
| Frauenfeld to Kaisariani | 1,000.11 mi (1,609.53 km) |
| Frauenfeld to Kalamaria | 845.44 mi (1,360.60 km) |
| Frauenfeld to Kalamata | 988.97 mi (1,591.59 km) |
| Frauenfeld to Kallithea | 998.83 mi (1,607.46 km) |
| Frauenfeld to Kalymnos | 1,172.89 mi (1,887.58 km) |
| Frauenfeld to Kalyvia Thorikou | 1,012.82 mi (1,629.98 km) |
| Frauenfeld to Kamatero | 993.82 mi (1,599.39 km) |
