| Portici to Klaukkala | 1,422.60 mi (2,289.45 km) |
| Portici to Kokkola | 1,629.56 mi (2,622.53 km) |
| Portici to Kontiolahti | 1,644.80 mi (2,647.06 km) |
| Portici to Korsholm | 1,569.27 mi (2,525.49 km) |
| Portici to Kotka | 1,459.59 mi (2,348.98 km) |
| Portici to Kouvola | 1,480.72 mi (2,382.99 km) |
| Portici to Kuhmo | 1,721.84 mi (2,771.04 km) |
| Portici to Kuopio | 1,620.25 mi (2,607.54 km) |
| Portici to Kurikka | 1,542.26 mi (2,482.03 km) |
| Portici to Kuusamo | 1,830.95 mi (2,946.63 km) |
| Portici to Kuusankoski | 1,482.01 mi (2,385.07 km) |
| Portici to Lahti | 1,472.84 mi (2,370.31 km) |
| Portici to Laitila | 1,420.85 mi (2,286.63 km) |
| Portici to Lapinlahti | 1,645.85 mi (2,648.73 km) |
| Portici to Lappeenranta | 1,515.90 mi (2,439.60 km) |
