| Altus to Karlovo | 6,036.69 mi (9,715.11 km) |
| Altus to Karnobat | 6,111.61 mi (9,835.68 km) |
| Altus to Kavarna | 6,114.79 mi (9,840.80 km) |
| Altus to Kazanlak | 6,058.52 mi (9,750.25 km) |
| Altus to Knezha | 5,968.55 mi (9,605.46 km) |
| Altus to Kostinbrod | 5,972.45 mi (9,611.73 km) |
| Altus to Kozloduy | 5,942.31 mi (9,563.22 km) |
| Altus to Kyustendil | 5,979.96 mi (9,623.81 km) |
| Altus to Levski | 6,011.30 mi (9,674.24 km) |
| Altus to Lom | 5,923.06 mi (9,532.25 km) |
| Altus to Lovech | 6,008.77 mi (9,670.18 km) |
| Altus to Lukovit | 5,986.48 mi (9,634.31 km) |
| Altus to Lyaskovets | 6,044.74 mi (9,728.06 km) |
| Altus to Mezdra | 5,972.78 mi (9,612.25 km) |
| Altus to Momchilgrad | 6,114.23 mi (9,839.90 km) |
