| Ptuj to Karis | 995.11 mi (1,601.47 km) |
| Ptuj to Karkkila | 1,031.88 mi (1,660.66 km) |
| Ptuj to Kauhajoki | 1,133.76 mi (1,824.62 km) |
| Ptuj to Kauhava | 1,185.94 mi (1,908.59 km) |
| Ptuj to Kauniainen | 1,018.97 mi (1,639.87 km) |
| Ptuj to Kemi | 1,373.08 mi (2,209.76 km) |
| Ptuj to Kemijarvi | 1,464.23 mi (2,356.45 km) |
| Ptuj to Kempele | 1,328.29 mi (2,137.67 km) |
| Ptuj to Kerava | 1,035.75 mi (1,666.88 km) |
| Ptuj to Keuruu | 1,148.34 mi (1,848.08 km) |
| Ptuj to Kiiminki | 1,345.31 mi (2,165.06 km) |
| Ptuj to Kirkkonummi | 1,008.19 mi (1,622.53 km) |
| Ptuj to Kitee | 1,220.64 mi (1,964.44 km) |
| Ptuj to Kiuruvesi | 1,260.27 mi (2,028.21 km) |
| Ptuj to Kivisto | 1,027.28 mi (1,653.25 km) |
