| Piran to Karis | 1,086.82 mi (1,749.06 km) |
| Piran to Karkkila | 1,123.91 mi (1,808.76 km) |
| Piran to Kauhajoki | 1,216.70 mi (1,958.09 km) |
| Piran to Kauhava | 1,269.83 mi (2,043.59 km) |
| Piran to Kauniainen | 1,113.06 mi (1,791.30 km) |
| Piran to Kemi | 1,455.58 mi (2,342.53 km) |
| Piran to Kemijarvi | 1,549.95 mi (2,494.40 km) |
| Piran to Kempele | 1,413.97 mi (2,275.57 km) |
| Piran to Kerava | 1,130.27 mi (1,818.99 km) |
| Piran to Keuruu | 1,237.63 mi (1,991.77 km) |
| Piran to Kiiminki | 1,431.08 mi (2,303.11 km) |
| Piran to Kirkkonummi | 1,101.74 mi (1,773.08 km) |
| Piran to Kitee | 1,320.78 mi (2,125.59 km) |
| Piran to Kiuruvesi | 1,350.54 mi (2,173.49 km) |
| Piran to Kivisto | 1,121.38 mi (1,804.68 km) |
