| Piraeus to Klaukkala | 1,551.13 mi (2,496.31 km) |
| Piraeus to Kokkola | 1,789.21 mi (2,879.45 km) |
| Piraeus to Kontiolahti | 1,734.97 mi (2,792.16 km) |
| Piraeus to Korsholm | 1,741.00 mi (2,801.87 km) |
| Piraeus to Kotka | 1,562.86 mi (2,515.19 km) |
| Piraeus to Kouvola | 1,589.52 mi (2,558.08 km) |
| Piraeus to Kuhmo | 1,825.12 mi (2,937.25 km) |
| Piraeus to Kuopio | 1,732.17 mi (2,787.66 km) |
| Piraeus to Kurikka | 1,705.60 mi (2,744.90 km) |
| Piraeus to Kuusamo | 1,948.84 mi (3,136.35 km) |
| Piraeus to Kuusankoski | 1,591.99 mi (2,562.06 km) |
| Piraeus to Lahti | 1,594.29 mi (2,565.77 km) |
| Piraeus to Laitila | 1,587.27 mi (2,554.46 km) |
| Piraeus to Lapinlahti | 1,763.52 mi (2,838.12 km) |
| Piraeus to Lappeenranta | 1,609.70 mi (2,590.56 km) |
