| Roskilde to Isselburg | 349.39 mi (562.28 km) |
| Roskilde to Issum | 366.56 mi (589.93 km) |
| Roskilde to Itzehoe | 157.02 mi (252.71 km) |
| Roskilde to Jena | 326.96 mi (526.19 km) |
| Roskilde to Jever | 220.33 mi (354.58 km) |
| Roskilde to Jork | 174.93 mi (281.53 km) |
| Roskilde to Juchen | 389.24 mi (626.42 km) |
| Roskilde to Julich | 402.98 mi (648.53 km) |
| Roskilde to Juterbog | 255.85 mi (411.75 km) |
| Roskilde to Kaarst | 379.83 mi (611.28 km) |
| Roskilde to Kaiserslautern | 465.27 mi (748.78 km) |
| Roskilde to Kalkar | 359.13 mi (577.96 km) |
| Roskilde to Kall | 420.28 mi (676.38 km) |
| Roskilde to Kaltenkirchen | 151.03 mi (243.05 km) |
| Roskilde to Kamen | 333.62 mi (536.92 km) |
