| Royston to Isny im Allgau | 538.92 mi (867.30 km) |
| Royston to Isselburg | 276.61 mi (445.16 km) |
| Royston to Issum | 277.51 mi (446.61 km) |
| Royston to Itzehoe | 416.97 mi (671.05 km) |
| Royston to Jena | 504.74 mi (812.31 km) |
| Royston to Jever | 347.01 mi (558.47 km) |
| Royston to Jork | 417.83 mi (672.43 km) |
| Royston to Juchen | 287.48 mi (462.65 km) |
| Royston to Julich | 285.13 mi (458.87 km) |
| Royston to Juterbog | 555.96 mi (894.73 km) |
| Royston to Kaarst | 290.25 mi (467.11 km) |
| Royston to Kaiserslautern | 384.81 mi (619.29 km) |
| Royston to Kalkar | 269.93 mi (434.40 km) |
| Royston to Kall | 301.97 mi (485.97 km) |
| Royston to Kaltenkirchen | 433.19 mi (697.15 km) |
