| Alenquer to Imola | 1,126.80 mi (1,813.41 km) |
| Alenquer to Impruneta | 1,095.37 mi (1,762.84 km) |
| Alenquer to Induno Olona | 1,020.98 mi (1,643.11 km) |
| Alenquer to Inverigo | 1,035.46 mi (1,666.41 km) |
| Alenquer to Inveruno | 1,013.70 mi (1,631.39 km) |
| Alenquer to Inzago | 1,043.00 mi (1,678.55 km) |
| Alenquer to Iseo | 1,071.89 mi (1,725.05 km) |
| Alenquer to Isernia | 1,233.82 mi (1,985.64 km) |
| Alenquer to Isola Capo Rizzuto | 1,397.18 mi (2,248.54 km) |
| Alenquer to Isola del Liri | 1,199.47 mi (1,930.36 km) |
| Alenquer to Isola della Scala | 1,108.33 mi (1,783.68 km) |
| Alenquer to Isola Vicentina | 1,135.74 mi (1,827.80 km) |
| Alenquer to Ispica | 1,309.20 mi (2,106.96 km) |
| Alenquer to Istrana | 1,166.87 mi (1,877.89 km) |
| Alenquer to Itri | 1,197.15 mi (1,926.62 km) |
