| Royston to Imola | 756.31 mi (1,217.17 km) |
| Royston to Impruneta | 777.25 mi (1,250.86 km) |
| Royston to Induno Olona | 586.32 mi (943.58 km) |
| Royston to Inverigo | 604.40 mi (972.68 km) |
| Royston to Inveruno | 604.67 mi (973.12 km) |
| Royston to Inzago | 623.27 mi (1,003.05 km) |
| Royston to Iseo | 634.99 mi (1,021.91 km) |
| Royston to Isernia | 984.08 mi (1,583.73 km) |
| Royston to Isola Capo Rizzuto | 1,220.59 mi (1,964.35 km) |
| Royston to Isola del Liri | 958.91 mi (1,543.21 km) |
| Royston to Isola della Scala | 686.21 mi (1,104.35 km) |
| Royston to Isola Vicentina | 683.03 mi (1,099.24 km) |
| Royston to Ispica | 1,280.80 mi (2,061.25 km) |
| Royston to Istrana | 703.30 mi (1,131.85 km) |
| Royston to Itri | 979.68 mi (1,576.64 km) |
