| Kastamonu to Legionowo | 972.05 mi (1,564.36 km) |
| Kastamonu to Legnica | 1,076.31 mi (1,732.15 km) |
| Kastamonu to Leszno | 1,085.66 mi (1,747.20 km) |
| Kastamonu to Lezajsk | 820.14 mi (1,319.88 km) |
| Kastamonu to Libiaz | 918.84 mi (1,478.74 km) |
| Kastamonu to Lidzbark | 1,045.65 mi (1,682.81 km) |
| Kastamonu to Lidzbark Warminski | 1,068.86 mi (1,720.17 km) |
| Kastamonu to Limanowa | 862.67 mi (1,388.33 km) |
| Kastamonu to Lipno | 1,044.95 mi (1,681.69 km) |
| Kastamonu to Lobez | 1,191.54 mi (1,917.60 km) |
| Kastamonu to Lodz | 986.02 mi (1,586.85 km) |
| Kastamonu to Lomianki | 968.71 mi (1,558.99 km) |
| Kastamonu to Lomza | 979.96 mi (1,577.09 km) |
| Kastamonu to Lowicz | 985.92 mi (1,586.68 km) |
| Kastamonu to Lubaczow | 793.05 mi (1,276.30 km) |
