| North Tonawanda to Imola | 4,272.97 mi (6,876.68 km) |
| North Tonawanda to Impruneta | 4,279.75 mi (6,887.60 km) |
| North Tonawanda to Induno Olona | 4,098.81 mi (6,596.39 km) |
| North Tonawanda to Inverigo | 4,118.74 mi (6,628.48 km) |
| North Tonawanda to Inveruno | 4,111.69 mi (6,617.12 km) |
| North Tonawanda to Inzago | 4,137.01 mi (6,657.88 km) |
| North Tonawanda to Iseo | 4,155.62 mi (6,687.82 km) |
| North Tonawanda to Isernia | 4,486.76 mi (7,220.75 km) |
| North Tonawanda to Isola Capo Rizzuto | 4,717.31 mi (7,591.78 km) |
| North Tonawanda to Isola del Liri | 4,455.84 mi (7,170.98 km) |
| North Tonawanda to Isola della Scala | 4,209.17 mi (6,774.01 km) |
| North Tonawanda to Isola Vicentina | 4,213.17 mi (6,780.44 km) |
| North Tonawanda to Ispica | 4,716.80 mi (7,590.96 km) |
| North Tonawanda to Istrana | 4,237.45 mi (6,819.52 km) |
| North Tonawanda to Itri | 4,470.30 mi (7,194.25 km) |
