| Bideford to Popovo | 1,511.45 mi (2,432.44 km) |
| Bideford to Provadia | 1,569.05 mi (2,525.14 km) |
| Bideford to Radnevo | 1,537.40 mi (2,474.20 km) |
| Bideford to Radomir | 1,401.27 mi (2,255.13 km) |
| Bideford to Rakitovo | 1,471.21 mi (2,367.68 km) |
| Bideford to Rakovski | 1,496.66 mi (2,408.64 km) |
| Bideford to Razgrad | 1,517.12 mi (2,441.58 km) |
| Bideford to Razlog | 1,449.22 mi (2,332.30 km) |
| Bideford to Ruse | 1,482.73 mi (2,386.23 km) |
| Bideford to Samokov | 1,435.07 mi (2,309.53 km) |
| Bideford to Sandanski | 1,454.20 mi (2,340.30 km) |
| Bideford to Sevlievo | 1,475.21 mi (2,374.12 km) |
| Bideford to Shumen | 1,543.94 mi (2,484.73 km) |
| Bideford to Silistra | 1,529.04 mi (2,460.76 km) |
| Bideford to Sliven | 1,540.06 mi (2,478.49 km) |
