| Romulus to Devnya | 5,146.92 mi (8,283.17 km) |
| Romulus to Dimitrovgrad | 5,130.37 mi (8,256.54 km) |
| Romulus to Dobrich | 5,139.67 mi (8,271.51 km) |
| Romulus to Dospat | 5,095.25 mi (8,200.01 km) |
| Romulus to Dupnitsa | 5,026.82 mi (8,089.88 km) |
| Romulus to Elhovo | 5,160.73 mi (8,305.39 km) |
| Romulus to Etropole | 5,033.75 mi (8,101.04 km) |
| Romulus to Gabrovo | 5,081.86 mi (8,178.46 km) |
| Romulus to Gorna Oryahovitsa | 5,082.82 mi (8,180.01 km) |
| Romulus to Gotse Delchev | 5,082.64 mi (8,179.72 km) |
| Romulus to Harmanli | 5,147.11 mi (8,283.47 km) |
| Romulus to Haskovo | 5,134.66 mi (8,263.44 km) |
| Romulus to Ihtiman | 5,045.25 mi (8,119.55 km) |
| Romulus to Isperih | 5,096.47 mi (8,201.97 km) |
| Romulus to Kardzhali | 5,140.59 mi (8,272.97 km) |
