| Niksar to Imola | 1,307.61 mi (2,104.39 km) |
| Niksar to Impruneta | 1,329.47 mi (2,139.58 km) |
| Niksar to Induno Olona | 1,454.29 mi (2,340.45 km) |
| Niksar to Inverigo | 1,435.26 mi (2,309.82 km) |
| Niksar to Inveruno | 1,451.90 mi (2,336.60 km) |
| Niksar to Inzago | 1,421.39 mi (2,287.50 km) |
| Niksar to Iseo | 1,394.58 mi (2,244.36 km) |
| Niksar to Isernia | 1,182.10 mi (1,902.41 km) |
| Niksar to Isola Capo Rizzuto | 1,058.94 mi (1,704.20 km) |
| Niksar to Isola del Liri | 1,216.06 mi (1,957.06 km) |
| Niksar to Isola della Scala | 1,346.11 mi (2,166.35 km) |
| Niksar to Isola Vicentina | 1,327.28 mi (2,136.05 km) |
| Niksar to Ispica | 1,215.33 mi (1,955.89 km) |
| Niksar to Istrana | 1,296.48 mi (2,086.48 km) |
| Niksar to Itri | 1,220.42 mi (1,964.08 km) |
