| Duncan to Imola | 5,427.57 mi (8,734.83 km) |
| Duncan to Impruneta | 5,437.49 mi (8,750.80 km) |
| Duncan to Induno Olona | 5,253.11 mi (8,454.06 km) |
| Duncan to Inverigo | 5,272.81 mi (8,485.76 km) |
| Duncan to Inveruno | 5,267.19 mi (8,476.72 km) |
| Duncan to Inzago | 5,291.35 mi (8,515.60 km) |
| Duncan to Iseo | 5,308.46 mi (8,543.14 km) |
| Duncan to Isernia | 5,645.88 mi (9,086.17 km) |
| Duncan to Isola Capo Rizzuto | 5,878.98 mi (9,461.30 km) |
| Duncan to Isola del Liri | 5,615.90 mi (9,037.92 km) |
| Duncan to Isola della Scala | 5,361.72 mi (8,628.86 km) |
| Duncan to Isola Vicentina | 5,363.48 mi (8,631.69 km) |
| Duncan to Ispica | 5,886.95 mi (9,474.13 km) |
| Duncan to Istrana | 5,386.28 mi (8,668.39 km) |
| Duncan to Itri | 5,631.60 mi (9,063.19 km) |
