| Guyancourt to Impruneta | 561.44 mi (903.54 km) |
| Guyancourt to Induno Olona | 375.30 mi (603.99 km) |
| Guyancourt to Inverigo | 395.07 mi (635.81 km) |
| Guyancourt to Inveruno | 389.60 mi (627.00 km) |
| Guyancourt to Inzago | 413.55 mi (665.55 km) |
| Guyancourt to Iseo | 431.54 mi (694.50 km) |
| Guyancourt to Isernia | 770.57 mi (1,240.12 km) |
| Guyancourt to Isola Capo Rizzuto | 1,006.42 mi (1,619.68 km) |
| Guyancourt to Isola del Liri | 742.35 mi (1,194.70 km) |
| Guyancourt to Isola della Scala | 485.10 mi (780.69 km) |
| Guyancourt to Isola Vicentina | 490.19 mi (788.88 km) |
| Guyancourt to Ispica | 1,050.16 mi (1,690.08 km) |
| Guyancourt to Istrana | 516.03 mi (830.47 km) |
| Guyancourt to Itri | 760.60 mi (1,224.07 km) |
| Guyancourt to Ittiri | 647.89 mi (1,042.67 km) |
