| Monte Porzio Catone to Kelkheim (Taunus) | 610.08 mi (981.84 km) |
| Monte Porzio Catone to Kelsterbach | 603.88 mi (971.85 km) |
| Monte Porzio Catone to Kemberg | 688.64 mi (1,108.25 km) |
| Monte Porzio Catone to Kempen | 723.71 mi (1,164.70 km) |
| Monte Porzio Catone to Kempten | 425.35 mi (684.53 km) |
| Monte Porzio Catone to Kenzingen | 502.19 mi (808.20 km) |
| Monte Porzio Catone to Kerpen | 687.84 mi (1,106.98 km) |
| Monte Porzio Catone to Ketsch | 559.21 mi (899.95 km) |
| Monte Porzio Catone to Kevelaer | 740.41 mi (1,191.58 km) |
| Monte Porzio Catone to Kiel | 872.12 mi (1,403.55 km) |
| Monte Porzio Catone to Kierspe | 688.35 mi (1,107.79 km) |
| Monte Porzio Catone to Kirchhain | 647.51 mi (1,042.07 km) |
| Monte Porzio Catone to Kirchheim bei Munchen | 441.92 mi (711.20 km) |
| Monte Porzio Catone to Kirchheim unter Teck | 497.92 mi (801.32 km) |
| Monte Porzio Catone to Kirchhundem | 677.92 mi (1,091.00 km) |
