| Castelldefels to Klaukkala | 1,634.32 mi (2,630.18 km) |
| Castelldefels to Kokkola | 1,774.88 mi (2,856.40 km) |
| Castelldefels to Kontiolahti | 1,869.02 mi (3,007.89 km) |
| Castelldefels to Korsholm | 1,707.81 mi (2,748.45 km) |
| Castelldefels to Kotka | 1,693.93 mi (2,726.12 km) |
| Castelldefels to Kouvola | 1,705.91 mi (2,745.39 km) |
| Castelldefels to Kuhmo | 1,922.36 mi (3,093.73 km) |
| Castelldefels to Kuopio | 1,823.12 mi (2,934.02 km) |
| Castelldefels to Kurikka | 1,694.98 mi (2,727.81 km) |
| Castelldefels to Kuusamo | 2,002.69 mi (3,223.02 km) |
| Castelldefels to Kuusankoski | 1,705.70 mi (2,745.06 km) |
| Castelldefels to Lahti | 1,684.99 mi (2,711.73 km) |
| Castelldefels to Laitila | 1,588.33 mi (2,556.17 km) |
| Castelldefels to Lapinlahti | 1,838.94 mi (2,959.48 km) |
| Castelldefels to Lappeenranta | 1,752.64 mi (2,820.60 km) |
