| Shasta Lake to Imola | 5,907.90 mi (9,507.84 km) |
| Shasta Lake to Impruneta | 5,933.94 mi (9,549.75 km) |
| Shasta Lake to Induno Olona | 5,743.50 mi (9,243.27 km) |
| Shasta Lake to Inverigo | 5,760.69 mi (9,270.93 km) |
| Shasta Lake to Inveruno | 5,762.81 mi (9,274.35 km) |
| Shasta Lake to Inzago | 5,779.38 mi (9,301.02 km) |
| Shasta Lake to Iseo | 5,787.84 mi (9,314.63 km) |
| Shasta Lake to Isernia | 6,136.69 mi (9,876.05 km) |
| Shasta Lake to Isola Capo Rizzuto | 6,370.44 mi (10,252.24 km) |
| Shasta Lake to Isola del Liri | 6,114.13 mi (9,839.75 km) |
| Shasta Lake to Isola della Scala | 5,836.06 mi (9,392.23 km) |
| Shasta Lake to Isola Vicentina | 5,826.82 mi (9,377.37 km) |
| Shasta Lake to Ispica | 6,439.85 mi (10,363.94 km) |
| Shasta Lake to Istrana | 5,841.09 mi (9,400.33 km) |
| Shasta Lake to Itri | 6,136.30 mi (9,875.42 km) |
