| Thetford to Isny im Allgau | 525.12 mi (845.11 km) |
| Thetford to Isselburg | 246.12 mi (396.09 km) |
| Thetford to Issum | 249.21 mi (401.06 km) |
| Thetford to Itzehoe | 378.00 mi (608.34 km) |
| Thetford to Jena | 475.45 mi (765.16 km) |
| Thetford to Jever | 308.33 mi (496.22 km) |
| Thetford to Jork | 379.80 mi (611.23 km) |
| Thetford to Juchen | 262.41 mi (422.31 km) |
| Thetford to Julich | 261.71 mi (421.18 km) |
| Thetford to Juterbog | 522.40 mi (840.73 km) |
| Thetford to Kaarst | 264.13 mi (425.07 km) |
| Thetford to Kaiserslautern | 368.09 mi (592.39 km) |
| Thetford to Kalkar | 240.25 mi (386.65 km) |
| Thetford to Kall | 280.99 mi (452.21 km) |
| Thetford to Kaltenkirchen | 394.52 mi (634.92 km) |
