| Webster Groves to Imola | 4,932.48 mi (7,938.06 km) |
| Webster Groves to Impruneta | 4,941.18 mi (7,952.06 km) |
| Webster Groves to Induno Olona | 4,758.05 mi (7,657.34 km) |
| Webster Groves to Inverigo | 4,777.85 mi (7,689.21 km) |
| Webster Groves to Inveruno | 4,771.67 mi (7,679.27 km) |
| Webster Groves to Inzago | 4,796.30 mi (7,718.90 km) |
| Webster Groves to Iseo | 4,814.00 mi (7,747.39 km) |
| Webster Groves to Isernia | 5,149.11 mi (8,286.69 km) |
| Webster Groves to Isola Capo Rizzuto | 5,381.28 mi (8,660.33 km) |
| Webster Groves to Isola del Liri | 5,118.75 mi (8,237.83 km) |
| Webster Groves to Isola della Scala | 4,867.41 mi (7,833.33 km) |
| Webster Groves to Isola Vicentina | 4,870.04 mi (7,837.57 km) |
| Webster Groves to Ispica | 5,385.89 mi (8,667.75 km) |
| Webster Groves to Istrana | 4,893.44 mi (7,875.23 km) |
| Webster Groves to Itri | 5,133.96 mi (8,262.32 km) |
