| Montegrotto Terme to Popovo | 726.02 mi (1,168.42 km) |
| Montegrotto Terme to Provadia | 787.23 mi (1,266.92 km) |
| Montegrotto Terme to Radnevo | 734.80 mi (1,182.54 km) |
| Montegrotto Terme to Radomir | 587.29 mi (945.16 km) |
| Montegrotto Terme to Rakitovo | 656.13 mi (1,055.94 km) |
| Montegrotto Terme to Rakovski | 689.17 mi (1,109.11 km) |
| Montegrotto Terme to Razgrad | 736.38 mi (1,185.09 km) |
| Montegrotto Terme to Razlog | 630.49 mi (1,014.67 km) |
| Montegrotto Terme to Ruse | 704.22 mi (1,133.33 km) |
| Montegrotto Terme to Samokov | 621.46 mi (1,000.14 km) |
| Montegrotto Terme to Sandanski | 631.97 mi (1,017.06 km) |
| Montegrotto Terme to Sevlievo | 678.62 mi (1,092.13 km) |
| Montegrotto Terme to Shumen | 761.13 mi (1,224.92 km) |
| Montegrotto Terme to Silistra | 763.22 mi (1,228.28 km) |
| Montegrotto Terme to Sliven | 744.73 mi (1,198.53 km) |
