| Rio Maior to Imola | 1,114.42 mi (1,793.48 km) |
| Rio Maior to Impruneta | 1,083.60 mi (1,743.88 km) |
| Rio Maior to Induno Olona | 1,006.64 mi (1,620.03 km) |
| Rio Maior to Inverigo | 1,021.31 mi (1,643.63 km) |
| Rio Maior to Inveruno | 999.66 mi (1,608.80 km) |
| Rio Maior to Inzago | 1,029.09 mi (1,656.17 km) |
| Rio Maior to Iseo | 1,057.99 mi (1,702.67 km) |
| Rio Maior to Isernia | 1,224.37 mi (1,970.43 km) |
| Rio Maior to Isola Capo Rizzuto | 1,390.14 mi (2,237.22 km) |
| Rio Maior to Isola del Liri | 1,189.93 mi (1,915.01 km) |
| Rio Maior to Isola della Scala | 1,094.96 mi (1,762.17 km) |
| Rio Maior to Isola Vicentina | 1,122.13 mi (1,805.89 km) |
| Rio Maior to Ispica | 1,304.66 mi (2,099.65 km) |
| Rio Maior to Istrana | 1,153.32 mi (1,856.09 km) |
| Rio Maior to Itri | 1,188.02 mi (1,911.94 km) |
