| Boulogne-Billancourt to Kamenz | 551.58 mi (887.68 km) |
| Boulogne-Billancourt to Kamp-Lintfort | 264.47 mi (425.62 km) |
| Boulogne-Billancourt to Kandel | 270.82 mi (435.84 km) |
| Boulogne-Billancourt to Kappeln | 519.25 mi (835.65 km) |
| Boulogne-Billancourt to Karben | 308.07 mi (495.80 km) |
| Boulogne-Billancourt to Karlsdorf-Neuthard | 286.47 mi (461.02 km) |
| Boulogne-Billancourt to Karlsfeld | 424.06 mi (682.45 km) |
| Boulogne-Billancourt to Karlsruhe | 279.99 mi (450.59 km) |
| Boulogne-Billancourt to Kassel | 364.36 mi (586.38 km) |
| Boulogne-Billancourt to Kaufbeuren | 390.22 mi (627.99 km) |
| Boulogne-Billancourt to Kaufering | 399.16 mi (642.39 km) |
| Boulogne-Billancourt to Kaufungen | 368.09 mi (592.38 km) |
| Boulogne-Billancourt to Kehl | 254.88 mi (410.19 km) |
| Boulogne-Billancourt to Kelheim | 437.16 mi (703.54 km) |
| Boulogne-Billancourt to Kelkheim (Taunus) | 292.75 mi (471.14 km) |
