| Thiais to Popovo | 1,196.95 mi (1,926.31 km) |
| Thiais to Provadia | 1,256.11 mi (2,021.51 km) |
| Thiais to Radnevo | 1,217.67 mi (1,959.65 km) |
| Thiais to Radomir | 1,077.30 mi (1,733.75 km) |
| Thiais to Rakitovo | 1,147.14 mi (1,846.15 km) |
| Thiais to Rakovski | 1,175.17 mi (1,891.25 km) |
| Thiais to Razgrad | 1,204.11 mi (1,937.83 km) |
| Thiais to Razlog | 1,123.87 mi (1,808.69 km) |
| Thiais to Ruse | 1,170.10 mi (1,883.10 km) |
| Thiais to Samokov | 1,111.36 mi (1,788.56 km) |
| Thiais to Sandanski | 1,127.64 mi (1,814.76 km) |
| Thiais to Sevlievo | 1,157.03 mi (1,862.05 km) |
| Thiais to Shumen | 1,230.50 mi (1,980.30 km) |
| Thiais to Silistra | 1,220.71 mi (1,964.54 km) |
| Thiais to Sliven | 1,222.67 mi (1,967.70 km) |
