| Calatayud to Popovo | 1,422.98 mi (2,290.07 km) |
| Calatayud to Provadia | 1,484.09 mi (2,388.41 km) |
| Calatayud to Radnevo | 1,414.64 mi (2,276.64 km) |
| Calatayud to Radomir | 1,261.53 mi (2,030.24 km) |
| Calatayud to Rakitovo | 1,323.07 mi (2,129.28 km) |
| Calatayud to Rakovski | 1,365.58 mi (2,197.70 km) |
| Calatayud to Razgrad | 1,436.31 mi (2,311.52 km) |
| Calatayud to Razlog | 1,292.42 mi (2,079.95 km) |
| Calatayud to Ruse | 1,407.12 mi (2,264.54 km) |
| Calatayud to Samokov | 1,293.58 mi (2,081.81 km) |
| Calatayud to Sandanski | 1,285.73 mi (2,069.18 km) |
| Calatayud to Sevlievo | 1,368.35 mi (2,202.14 km) |
| Calatayud to Shumen | 1,458.42 mi (2,347.10 km) |
| Calatayud to Silistra | 1,471.10 mi (2,367.50 km) |
| Calatayud to Sliven | 1,432.00 mi (2,304.58 km) |
