| Enfield Lock to Popovo | 1,343.82 mi (2,162.67 km) |
| Enfield Lock to Provadia | 1,400.14 mi (2,253.30 km) |
| Enfield Lock to Radnevo | 1,373.91 mi (2,211.09 km) |
| Enfield Lock to Radomir | 1,242.92 mi (2,000.29 km) |
| Enfield Lock to Rakitovo | 1,312.63 mi (2,112.47 km) |
| Enfield Lock to Rakovski | 1,335.06 mi (2,148.58 km) |
| Enfield Lock to Razgrad | 1,348.45 mi (2,170.13 km) |
| Enfield Lock to Razlog | 1,292.45 mi (2,080.00 km) |
| Enfield Lock to Ruse | 1,313.95 mi (2,114.59 km) |
| Enfield Lock to Samokov | 1,276.25 mi (2,053.92 km) |
| Enfield Lock to Sandanski | 1,299.16 mi (2,090.80 km) |
| Enfield Lock to Sevlievo | 1,310.61 mi (2,109.22 km) |
| Enfield Lock to Shumen | 1,375.46 mi (2,213.58 km) |
| Enfield Lock to Silistra | 1,357.49 mi (2,184.67 km) |
| Enfield Lock to Sliven | 1,374.53 mi (2,212.09 km) |
