| Montecatini Terme to Isny im Allgau | 265.53 mi (427.33 km) |
| Montecatini Terme to Isselburg | 584.17 mi (940.13 km) |
| Montecatini Terme to Issum | 566.03 mi (910.93 km) |
| Montecatini Terme to Itzehoe | 696.16 mi (1,120.35 km) |
| Montecatini Terme to Jena | 488.20 mi (785.69 km) |
| Montecatini Terme to Jever | 682.13 mi (1,097.79 km) |
| Montecatini Terme to Jork | 668.69 mi (1,076.15 km) |
| Montecatini Terme to Juchen | 536.86 mi (863.99 km) |
| Montecatini Terme to Julich | 528.10 mi (849.90 km) |
| Montecatini Terme to Juterbog | 570.34 mi (917.87 km) |
| Montecatini Terme to Kaarst | 542.27 mi (872.70 km) |
| Montecatini Terme to Kaiserslautern | 409.72 mi (659.38 km) |
| Montecatini Terme to Kalkar | 580.94 mi (934.94 km) |
| Montecatini Terme to Kall | 501.23 mi (806.64 km) |
| Montecatini Terme to Kaltenkirchen | 688.93 mi (1,108.72 km) |
