| Trier to Impruneta | 472.80 mi (760.89 km) |
| Trier to Induno Olona | 288.42 mi (464.17 km) |
| Trier to Inverigo | 302.60 mi (486.99 km) |
| Trier to Inveruno | 310.44 mi (499.61 km) |
| Trier to Inzago | 320.33 mi (515.53 km) |
| Trier to Iseo | 324.48 mi (522.21 km) |
| Trier to Isernia | 671.48 mi (1,080.65 km) |
| Trier to Isola Capo Rizzuto | 905.48 mi (1,457.23 km) |
| Trier to Isola del Liri | 649.94 mi (1,045.98 km) |
| Trier to Isola della Scala | 370.95 mi (596.98 km) |
| Trier to Isola Vicentina | 362.02 mi (582.62 km) |
| Trier to Ispica | 986.54 mi (1,587.69 km) |
| Trier to Istrana | 378.73 mi (609.51 km) |
| Trier to Itri | 673.18 mi (1,083.38 km) |
| Trier to Ittiri | 639.52 mi (1,029.21 km) |
