| Tudela de Duero to Popovo | 1,566.27 mi (2,520.67 km) |
| Tudela de Duero to Provadia | 1,627.58 mi (2,619.33 km) |
| Tudela de Duero to Radnevo | 1,560.52 mi (2,511.42 km) |
| Tudela de Duero to Radomir | 1,407.43 mi (2,265.04 km) |
| Tudela de Duero to Rakitovo | 1,470.07 mi (2,365.85 km) |
| Tudela de Duero to Rakovski | 1,511.71 mi (2,432.86 km) |
| Tudela de Duero to Razgrad | 1,579.07 mi (2,541.27 km) |
| Tudela de Duero to Razlog | 1,439.77 mi (2,317.09 km) |
| Tudela de Duero to Ruse | 1,549.18 mi (2,493.17 km) |
| Tudela de Duero to Samokov | 1,439.88 mi (2,317.26 km) |
| Tudela de Duero to Sandanski | 1,433.79 mi (2,307.47 km) |
| Tudela de Duero to Sevlievo | 1,512.66 mi (2,434.40 km) |
| Tudela de Duero to Shumen | 1,601.76 mi (2,577.78 km) |
| Tudela de Duero to Silistra | 1,612.17 mi (2,594.54 km) |
| Tudela de Duero to Sliven | 1,576.92 mi (2,537.80 km) |
