| Tondela to Popovo | 1,762.18 mi (2,835.95 km) |
| Tondela to Provadia | 1,823.43 mi (2,934.52 km) |
| Tondela to Radnevo | 1,755.33 mi (2,824.94 km) |
| Tondela to Radomir | 1,602.21 mi (2,578.51 km) |
| Tondela to Rakitovo | 1,664.20 mi (2,678.28 km) |
| Tondela to Rakovski | 1,706.38 mi (2,746.15 km) |
| Tondela to Razgrad | 1,775.14 mi (2,856.81 km) |
| Tondela to Razlog | 1,633.65 mi (2,629.11 km) |
| Tondela to Ruse | 1,745.43 mi (2,809.00 km) |
| Tondela to Samokov | 1,634.44 mi (2,630.37 km) |
| Tondela to Sandanski | 1,627.13 mi (2,618.61 km) |
| Tondela to Sevlievo | 1,708.19 mi (2,749.07 km) |
| Tondela to Shumen | 1,797.65 mi (2,893.04 km) |
| Tondela to Silistra | 1,808.64 mi (2,910.72 km) |
| Tondela to Sliven | 1,772.21 mi (2,852.09 km) |
