| Glastonbury to Imola | 816.08 mi (1,313.36 km) |
| Glastonbury to Impruneta | 829.69 mi (1,335.26 km) |
| Glastonbury to Induno Olona | 641.89 mi (1,033.02 km) |
| Glastonbury to Inverigo | 661.33 mi (1,064.32 km) |
| Glastonbury to Inveruno | 657.22 mi (1,057.70 km) |
| Glastonbury to Inzago | 680.04 mi (1,094.42 km) |
| Glastonbury to Iseo | 696.28 mi (1,120.55 km) |
| Glastonbury to Isernia | 1,038.81 mi (1,671.81 km) |
| Glastonbury to Isola Capo Rizzuto | 1,274.91 mi (2,051.78 km) |
| Glastonbury to Isola del Liri | 1,010.90 mi (1,626.89 km) |
| Glastonbury to Isola della Scala | 749.43 mi (1,206.10 km) |
| Glastonbury to Isola Vicentina | 751.50 mi (1,209.43 km) |
| Glastonbury to Ispica | 1,316.89 mi (2,119.33 km) |
| Glastonbury to Istrana | 775.23 mi (1,247.61 km) |
| Glastonbury to Itri | 1,029.31 mi (1,656.52 km) |
