| Boulogne-sur-Mer to Karis | 1,070.90 mi (1,723.45 km) |
| Boulogne-sur-Mer to Karkkila | 1,102.48 mi (1,774.27 km) |
| Boulogne-sur-Mer to Kauhajoki | 1,115.89 mi (1,795.85 km) |
| Boulogne-sur-Mer to Kauhava | 1,166.08 mi (1,876.63 km) |
| Boulogne-sur-Mer to Kauniainen | 1,108.35 mi (1,783.72 km) |
| Boulogne-sur-Mer to Kemi | 1,315.51 mi (2,117.11 km) |
| Boulogne-sur-Mer to Kemijarvi | 1,420.27 mi (2,285.70 km) |
| Boulogne-sur-Mer to Kempele | 1,300.76 mi (2,093.37 km) |
| Boulogne-sur-Mer to Kerava | 1,125.17 mi (1,810.79 km) |
| Boulogne-sur-Mer to Keuruu | 1,175.99 mi (1,892.58 km) |
| Boulogne-sur-Mer to Kiiminki | 1,316.21 mi (2,118.23 km) |
| Boulogne-sur-Mer to Kirkkonummi | 1,095.54 mi (1,763.10 km) |
| Boulogne-sur-Mer to Kitee | 1,326.06 mi (2,134.09 km) |
| Boulogne-sur-Mer to Kiuruvesi | 1,278.02 mi (2,056.77 km) |
| Boulogne-sur-Mer to Kivisto | 1,115.04 mi (1,794.48 km) |
