| Romulus to Karlovo | 5,072.79 mi (8,163.87 km) |
| Romulus to Karnobat | 5,153.71 mi (8,294.10 km) |
| Romulus to Kavarna | 5,164.04 mi (8,310.71 km) |
| Romulus to Kazanlak | 5,096.12 mi (8,201.42 km) |
| Romulus to Knezha | 5,005.89 mi (8,056.20 km) |
| Romulus to Kostinbrod | 5,005.06 mi (8,054.87 km) |
| Romulus to Kozloduy | 4,979.78 mi (8,014.18 km) |
| Romulus to Kyustendil | 5,009.40 mi (8,061.85 km) |
| Romulus to Levski | 5,050.96 mi (8,128.73 km) |
| Romulus to Lom | 4,959.40 mi (7,981.39 km) |
| Romulus to Lovech | 5,046.44 mi (8,121.46 km) |
| Romulus to Lukovit | 5,022.92 mi (8,083.62 km) |
| Romulus to Lyaskovets | 5,085.01 mi (8,183.53 km) |
| Romulus to Mezdra | 5,007.82 mi (8,059.31 km) |
| Romulus to Momchilgrad | 5,148.00 mi (8,284.90 km) |
