| Onda to Karlovo | 1,309.52 mi (2,107.47 km) |
| Onda to Karnobat | 1,420.12 mi (2,285.46 km) |
| Onda to Kavarna | 1,487.15 mi (2,393.33 km) |
| Onda to Kazanlak | 1,339.67 mi (2,155.99 km) |
| Onda to Knezha | 1,274.17 mi (2,050.57 km) |
| Onda to Kostinbrod | 1,228.89 mi (1,977.71 km) |
| Onda to Kozloduy | 1,257.80 mi (2,024.24 km) |
| Onda to Kyustendil | 1,201.36 mi (1,933.40 km) |
| Onda to Levski | 1,326.48 mi (2,134.76 km) |
| Onda to Lom | 1,233.35 mi (1,984.89 km) |
| Onda to Lovech | 1,305.18 mi (2,100.49 km) |
| Onda to Lukovit | 1,277.56 mi (2,056.03 km) |
| Onda to Lyaskovets | 1,355.56 mi (2,181.56 km) |
| Onda to Mezdra | 1,253.95 mi (2,018.03 km) |
| Onda to Momchilgrad | 1,343.64 mi (2,162.38 km) |
