| Boulogne-sur-Mer to Klaukkala | 1,113.87 mi (1,792.61 km) |
| Boulogne-sur-Mer to Kokkola | 1,199.04 mi (1,929.68 km) |
| Boulogne-sur-Mer to Kontiolahti | 1,336.71 mi (2,151.23 km) |
| Boulogne-sur-Mer to Korsholm | 1,132.60 mi (1,822.75 km) |
| Boulogne-sur-Mer to Kotka | 1,184.20 mi (1,905.78 km) |
| Boulogne-sur-Mer to Kouvola | 1,188.14 mi (1,912.12 km) |
| Boulogne-sur-Mer to Kuhmo | 1,370.55 mi (2,205.69 km) |
| Boulogne-sur-Mer to Kuopio | 1,279.67 mi (2,059.43 km) |
| Boulogne-sur-Mer to Kurikka | 1,129.19 mi (1,817.25 km) |
| Boulogne-sur-Mer to Kuusamo | 1,428.94 mi (2,299.65 km) |
| Boulogne-sur-Mer to Kuusankoski | 1,186.85 mi (1,910.05 km) |
| Boulogne-sur-Mer to Lahti | 1,159.72 mi (1,866.39 km) |
| Boulogne-sur-Mer to Laitila | 1,041.44 mi (1,676.04 km) |
| Boulogne-sur-Mer to Lapinlahti | 1,287.92 mi (2,072.70 km) |
| Boulogne-sur-Mer to Lappeenranta | 1,239.03 mi (1,994.03 km) |
