| Serravalle Pistoiese to Popovo | 770.05 mi (1,239.27 km) |
| Serravalle Pistoiese to Provadia | 831.46 mi (1,338.11 km) |
| Serravalle Pistoiese to Radnevo | 768.65 mi (1,237.03 km) |
| Serravalle Pistoiese to Radomir | 616.54 mi (992.23 km) |
| Serravalle Pistoiese to Rakitovo | 682.35 mi (1,098.13 km) |
| Serravalle Pistoiese to Rakovski | 720.75 mi (1,159.93 km) |
| Serravalle Pistoiese to Razgrad | 782.44 mi (1,259.21 km) |
| Serravalle Pistoiese to Razlog | 653.81 mi (1,052.21 km) |
| Serravalle Pistoiese to Ruse | 752.23 mi (1,210.60 km) |
| Serravalle Pistoiese to Samokov | 649.97 mi (1,046.03 km) |
| Serravalle Pistoiese to Sandanski | 651.30 mi (1,048.16 km) |
| Serravalle Pistoiese to Sevlievo | 717.77 mi (1,155.15 km) |
| Serravalle Pistoiese to Shumen | 805.53 mi (1,296.38 km) |
| Serravalle Pistoiese to Silistra | 815.13 mi (1,311.82 km) |
| Serravalle Pistoiese to Sliven | 782.86 mi (1,259.90 km) |
