| Montecatini Terme to Klaukkala | 1,278.82 mi (2,058.07 km) |
| Montecatini Terme to Kokkola | 1,461.76 mi (2,352.48 km) |
| Montecatini Terme to Kontiolahti | 1,510.78 mi (2,431.37 km) |
| Montecatini Terme to Korsholm | 1,397.69 mi (2,249.37 km) |
| Montecatini Terme to Kotka | 1,326.95 mi (2,135.52 km) |
| Montecatini Terme to Kouvola | 1,344.25 mi (2,163.36 km) |
| Montecatini Terme to Kuhmo | 1,578.49 mi (2,540.33 km) |
| Montecatini Terme to Kuopio | 1,476.29 mi (2,375.86 km) |
| Montecatini Terme to Kurikka | 1,375.80 mi (2,214.13 km) |
| Montecatini Terme to Kuusamo | 1,677.00 mi (2,698.87 km) |
| Montecatini Terme to Kuusankoski | 1,344.88 mi (2,164.38 km) |
| Montecatini Terme to Lahti | 1,330.30 mi (2,140.91 km) |
| Montecatini Terme to Laitila | 1,257.89 mi (2,024.37 km) |
| Montecatini Terme to Lapinlahti | 1,498.07 mi (2,410.91 km) |
| Montecatini Terme to Lappeenranta | 1,385.45 mi (2,229.66 km) |
