| Ponte San Pietro to Popovo | 834.23 mi (1,342.56 km) |
| Ponte San Pietro to Provadia | 895.31 mi (1,440.87 km) |
| Ponte San Pietro to Radnevo | 843.92 mi (1,358.16 km) |
| Ponte San Pietro to Radomir | 696.50 mi (1,120.91 km) |
| Ponte San Pietro to Rakitovo | 765.28 mi (1,231.60 km) |
| Ponte San Pietro to Rakovski | 798.37 mi (1,284.86 km) |
| Ponte San Pietro to Razgrad | 844.26 mi (1,358.70 km) |
| Ponte San Pietro to Razlog | 739.49 mi (1,190.09 km) |
| Ponte San Pietro to Ruse | 811.81 mi (1,306.48 km) |
| Ponte San Pietro to Samokov | 730.66 mi (1,175.88 km) |
| Ponte San Pietro to Sandanski | 740.66 mi (1,191.97 km) |
| Ponte San Pietro to Sevlievo | 787.44 mi (1,267.26 km) |
| Ponte San Pietro to Shumen | 869.23 mi (1,398.89 km) |
| Ponte San Pietro to Silistra | 869.86 mi (1,399.91 km) |
| Ponte San Pietro to Sliven | 853.58 mi (1,373.70 km) |
