| Tring to Popovo | 1,372.27 mi (2,208.45 km) |
| Tring to Provadia | 1,428.55 mi (2,299.03 km) |
| Tring to Radnevo | 1,402.40 mi (2,256.94 km) |
| Tring to Radomir | 1,271.37 mi (2,046.08 km) |
| Tring to Rakitovo | 1,341.09 mi (2,158.27 km) |
| Tring to Rakovski | 1,363.55 mi (2,194.43 km) |
| Tring to Razgrad | 1,376.88 mi (2,215.87 km) |
| Tring to Razlog | 1,320.88 mi (2,125.74 km) |
| Tring to Ruse | 1,342.37 mi (2,160.33 km) |
| Tring to Samokov | 1,304.71 mi (2,099.72 km) |
| Tring to Sandanski | 1,327.55 mi (2,136.48 km) |
| Tring to Sevlievo | 1,339.10 mi (2,155.07 km) |
| Tring to Shumen | 1,403.88 mi (2,259.33 km) |
| Tring to Silistra | 1,385.80 mi (2,230.24 km) |
| Tring to Sliven | 1,403.01 mi (2,257.92 km) |
