| Porterville to Imola | 6,082.78 mi (9,789.29 km) |
| Porterville to Impruneta | 6,105.08 mi (9,825.18 km) |
| Porterville to Induno Olona | 5,914.15 mi (9,517.90 km) |
| Porterville to Inverigo | 5,932.15 mi (9,546.87 km) |
| Porterville to Inveruno | 5,932.36 mi (9,547.22 km) |
| Porterville to Inzago | 5,951.00 mi (9,577.21 km) |
| Porterville to Iseo | 5,961.69 mi (9,594.42 km) |
| Porterville to Isernia | 6,311.35 mi (10,157.13 km) |
| Porterville to Isola Capo Rizzuto | 6,547.34 mi (10,536.92 km) |
| Porterville to Isola del Liri | 6,286.70 mi (10,117.46 km) |
| Porterville to Isola della Scala | 6,011.66 mi (9,674.84 km) |
| Porterville to Isola Vicentina | 6,005.03 mi (9,664.17 km) |
| Porterville to Ispica | 6,601.78 mi (10,624.53 km) |
| Porterville to Istrana | 6,021.53 mi (9,690.72 km) |
| Porterville to Itri | 6,307.47 mi (10,150.90 km) |
