| Santo Tirso to Popovo | 1,764.80 mi (2,840.17 km) |
| Santo Tirso to Provadia | 1,826.19 mi (2,938.96 km) |
| Santo Tirso to Radnevo | 1,760.55 mi (2,833.33 km) |
| Santo Tirso to Radomir | 1,607.53 mi (2,587.08 km) |
| Santo Tirso to Rakitovo | 1,670.69 mi (2,688.72 km) |
| Santo Tirso to Rakovski | 1,711.88 mi (2,755.00 km) |
| Santo Tirso to Razgrad | 1,777.26 mi (2,860.23 km) |
| Santo Tirso to Razlog | 1,640.57 mi (2,640.25 km) |
| Santo Tirso to Ruse | 1,746.96 mi (2,811.45 km) |
| Santo Tirso to Samokov | 1,640.17 mi (2,639.60 km) |
| Santo Tirso to Sandanski | 1,634.91 mi (2,631.13 km) |
| Santo Tirso to Sevlievo | 1,711.84 mi (2,754.93 km) |
| Santo Tirso to Shumen | 1,800.29 mi (2,897.28 km) |
| Santo Tirso to Silistra | 1,809.25 mi (2,911.70 km) |
| Santo Tirso to Sliven | 1,776.40 mi (2,858.84 km) |
