| San Felice Circeo to Imola | 226.50 mi (364.52 km) |
| San Felice Circeo to Impruneta | 193.53 mi (311.46 km) |
| San Felice Circeo to Induno Olona | 383.57 mi (617.30 km) |
| San Felice Circeo to Inverigo | 366.50 mi (589.82 km) |
| San Felice Circeo to Inveruno | 364.53 mi (586.65 km) |
| San Felice Circeo to Inzago | 347.89 mi (559.87 km) |
| San Felice Circeo to Iseo | 341.53 mi (549.64 km) |
| San Felice Circeo to Isernia | 64.49 mi (103.78 km) |
| San Felice Circeo to Isola Capo Rizzuto | 263.45 mi (423.99 km) |
| San Felice Circeo to Isola del Liri | 39.40 mi (63.40 km) |
| San Felice Circeo to Isola della Scala | 297.78 mi (479.23 km) |
| San Felice Circeo to Isola Vicentina | 314.87 mi (506.73 km) |
| San Felice Circeo to Ispica | 322.48 mi (518.97 km) |
| San Felice Circeo to Istrana | 311.35 mi (501.07 km) |
| San Felice Circeo to Itri | 22.97 mi (36.97 km) |
