| Oroville to Karlovo | 6,383.52 mi (10,273.28 km) |
| Oroville to Karnobat | 6,430.12 mi (10,348.29 km) |
| Oroville to Kavarna | 6,406.31 mi (10,309.96 km) |
| Oroville to Kazanlak | 6,397.99 mi (10,296.57 km) |
| Oroville to Knezha | 6,314.37 mi (10,162.00 km) |
| Oroville to Kostinbrod | 6,337.52 mi (10,199.26 km) |
| Oroville to Kozloduy | 6,289.12 mi (10,121.35 km) |
| Oroville to Kyustendil | 6,358.30 mi (10,232.70 km) |
| Oroville to Levski | 6,345.33 mi (10,211.82 km) |
| Oroville to Lom | 6,275.56 mi (10,099.54 km) |
| Oroville to Lovech | 6,350.90 mi (10,220.79 km) |
| Oroville to Lukovit | 6,334.86 mi (10,194.97 km) |
| Oroville to Lyaskovets | 6,374.40 mi (10,258.61 km) |
| Oroville to Mezdra | 6,327.68 mi (10,183.42 km) |
| Oroville to Momchilgrad | 6,466.24 mi (10,406.41 km) |
