| Holbeach to Popovo | 1,364.41 mi (2,195.81 km) |
| Holbeach to Provadia | 1,419.26 mi (2,284.07 km) |
| Holbeach to Radnevo | 1,398.24 mi (2,250.25 km) |
| Holbeach to Radomir | 1,271.98 mi (2,047.05 km) |
| Holbeach to Rakitovo | 1,341.25 mi (2,158.53 km) |
| Holbeach to Rakovski | 1,361.15 mi (2,190.57 km) |
| Holbeach to Razgrad | 1,367.98 mi (2,201.56 km) |
| Holbeach to Razlog | 1,322.53 mi (2,128.41 km) |
| Holbeach to Ruse | 1,333.47 mi (2,146.02 km) |
| Holbeach to Samokov | 1,304.80 mi (2,099.87 km) |
| Holbeach to Sandanski | 1,330.51 mi (2,141.24 km) |
| Holbeach to Sevlievo | 1,334.16 mi (2,147.13 km) |
| Holbeach to Shumen | 1,395.09 mi (2,245.17 km) |
| Holbeach to Silistra | 1,373.91 mi (2,211.10 km) |
| Holbeach to Sliven | 1,397.02 mi (2,248.28 km) |
