| Bideford to Karlovo | 1,476.40 mi (2,376.03 km) |
| Bideford to Karnobat | 1,569.77 mi (2,526.30 km) |
| Bideford to Kavarna | 1,599.00 mi (2,573.35 km) |
| Bideford to Kazanlak | 1,502.67 mi (2,418.31 km) |
| Bideford to Knezha | 1,413.89 mi (2,275.44 km) |
| Bideford to Kostinbrod | 1,402.32 mi (2,256.81 km) |
| Bideford to Kozloduy | 1,388.78 mi (2,235.03 km) |
| Bideford to Kyustendil | 1,400.47 mi (2,253.83 km) |
| Bideford to Levski | 1,463.64 mi (2,355.50 km) |
| Bideford to Lom | 1,366.08 mi (2,198.49 km) |
| Bideford to Lovech | 1,454.27 mi (2,340.43 km) |
| Bideford to Lukovit | 1,428.38 mi (2,298.75 km) |
| Bideford to Lyaskovets | 1,498.31 mi (2,411.29 km) |
| Bideford to Mezdra | 1,410.33 mi (2,269.71 km) |
| Bideford to Momchilgrad | 1,545.34 mi (2,486.98 km) |
