| San Felice Circeo to Devnya | 751.94 mi (1,210.13 km) |
| San Felice Circeo to Dimitrovgrad | 647.51 mi (1,042.07 km) |
| San Felice Circeo to Dobrich | 767.90 mi (1,235.81 km) |
| San Felice Circeo to Dospat | 573.73 mi (923.33 km) |
| San Felice Circeo to Dupnitsa | 521.22 mi (838.82 km) |
| San Felice Circeo to Elhovo | 697.17 mi (1,121.99 km) |
| San Felice Circeo to Etropole | 569.95 mi (917.25 km) |
| San Felice Circeo to Gabrovo | 637.30 mi (1,025.63 km) |
| San Felice Circeo to Gorna Oryahovitsa | 657.83 mi (1,058.67 km) |
| San Felice Circeo to Gotse Delchev | 551.44 mi (887.46 km) |
| San Felice Circeo to Harmanli | 662.87 mi (1,066.79 km) |
| San Felice Circeo to Haskovo | 645.74 mi (1,039.22 km) |
| San Felice Circeo to Ihtiman | 557.71 mi (897.55 km) |
| San Felice Circeo to Isperih | 719.84 mi (1,158.46 km) |
| San Felice Circeo to Kardzhali | 635.67 mi (1,023.02 km) |
