| Barton upon Humber to Popovo | 1,402.29 mi (2,256.76 km) |
| Barton upon Humber to Provadia | 1,456.06 mi (2,343.30 km) |
| Barton upon Humber to Radnevo | 1,438.51 mi (2,315.06 km) |
| Barton upon Humber to Radomir | 1,315.47 mi (2,117.04 km) |
| Barton upon Humber to Rakitovo | 1,384.35 mi (2,227.90 km) |
| Barton upon Humber to Rakovski | 1,402.62 mi (2,257.30 km) |
| Barton upon Humber to Razgrad | 1,405.15 mi (2,261.36 km) |
| Barton upon Humber to Razlog | 1,366.57 mi (2,199.28 km) |
| Barton upon Humber to Ruse | 1,370.70 mi (2,205.93 km) |
| Barton upon Humber to Samokov | 1,347.92 mi (2,169.27 km) |
| Barton upon Humber to Sandanski | 1,375.32 mi (2,213.36 km) |
| Barton upon Humber to Sevlievo | 1,374.04 mi (2,211.31 km) |
| Barton upon Humber to Shumen | 1,432.27 mi (2,305.01 km) |
| Barton upon Humber to Silistra | 1,408.97 mi (2,267.52 km) |
| Barton upon Humber to Sliven | 1,436.09 mi (2,311.17 km) |
