| Tettnang to Impruneta | 286.94 mi (461.79 km) |
| Tettnang to Induno Olona | 130.77 mi (210.45 km) |
| Tettnang to Inverigo | 135.02 mi (217.29 km) |
| Tettnang to Inveruno | 152.90 mi (246.06 km) |
| Tettnang to Inzago | 147.77 mi (237.81 km) |
| Tettnang to Iseo | 140.77 mi (226.55 km) |
| Tettnang to Isernia | 477.37 mi (768.26 km) |
| Tettnang to Isola Capo Rizzuto | 709.71 mi (1,142.17 km) |
| Tettnang to Isola del Liri | 457.78 mi (736.73 km) |
| Tettnang to Isola della Scala | 179.21 mi (288.42 km) |
| Tettnang to Isola Vicentina | 166.18 mi (267.45 km) |
| Tettnang to Ispica | 799.35 mi (1,286.43 km) |
| Tettnang to Istrana | 181.76 mi (292.51 km) |
| Tettnang to Itri | 482.14 mi (775.93 km) |
| Tettnang to Ittiri | 491.15 mi (790.43 km) |
