| Tudela to Popovo | 1,409.70 mi (2,268.69 km) |
| Tudela to Provadia | 1,470.99 mi (2,367.33 km) |
| Tudela to Radnevo | 1,403.91 mi (2,259.38 km) |
| Tudela to Radomir | 1,250.83 mi (2,013.01 km) |
| Tudela to Rakitovo | 1,313.60 mi (2,114.03 km) |
| Tudela to Rakovski | 1,355.12 mi (2,180.85 km) |
| Tudela to Razgrad | 1,422.55 mi (2,289.38 km) |
| Tudela to Razlog | 1,283.37 mi (2,065.38 km) |
| Tudela to Ruse | 1,392.75 mi (2,241.41 km) |
| Tudela to Samokov | 1,283.31 mi (2,065.28 km) |
| Tudela to Sandanski | 1,277.56 mi (2,056.03 km) |
| Tudela to Sevlievo | 1,356.02 mi (2,182.31 km) |
| Tudela to Shumen | 1,445.18 mi (2,325.79 km) |
| Tudela to Silistra | 1,455.90 mi (2,343.05 km) |
| Tudela to Sliven | 1,420.27 mi (2,285.71 km) |
