| San Pietro in Casale to Popovo | 741.75 mi (1,193.74 km) |
| San Pietro in Casale to Provadia | 803.18 mi (1,292.60 km) |
| San Pietro in Casale to Radnevo | 745.93 mi (1,200.45 km) |
| San Pietro in Casale to Radomir | 595.89 mi (958.99 km) |
| San Pietro in Casale to Rakitovo | 663.60 mi (1,067.96 km) |
| San Pietro in Casale to Rakovski | 699.15 mi (1,125.18 km) |
| San Pietro in Casale to Razgrad | 753.07 mi (1,211.94 km) |
| San Pietro in Casale to Razlog | 636.57 mi (1,024.47 km) |
| San Pietro in Casale to Ruse | 721.73 mi (1,161.51 km) |
| San Pietro in Casale to Samokov | 629.85 mi (1,013.64 km) |
| San Pietro in Casale to Sandanski | 636.27 mi (1,023.98 km) |
| San Pietro in Casale to Sevlievo | 692.01 mi (1,113.68 km) |
| San Pietro in Casale to Shumen | 777.11 mi (1,250.63 km) |
| San Pietro in Casale to Silistra | 782.64 mi (1,259.54 km) |
| San Pietro in Casale to Sliven | 757.82 mi (1,219.59 km) |
