| Chelmsford to Popovo | 1,324.05 mi (2,130.85 km) |
| Chelmsford to Provadia | 1,380.18 mi (2,221.19 km) |
| Chelmsford to Radnevo | 1,354.66 mi (2,180.11 km) |
| Chelmsford to Radomir | 1,224.39 mi (1,970.46 km) |
| Chelmsford to Rakitovo | 1,294.04 mi (2,082.56 km) |
| Chelmsford to Rakovski | 1,316.07 mi (2,118.02 km) |
| Chelmsford to Razgrad | 1,328.54 mi (2,138.08 km) |
| Chelmsford to Razlog | 1,274.10 mi (2,050.47 km) |
| Chelmsford to Ruse | 1,294.03 mi (2,082.54 km) |
| Chelmsford to Samokov | 1,257.64 mi (2,023.97 km) |
| Chelmsford to Sandanski | 1,281.04 mi (2,061.63 km) |
| Chelmsford to Sevlievo | 1,291.24 mi (2,078.04 km) |
| Chelmsford to Shumen | 1,355.56 mi (2,181.57 km) |
| Chelmsford to Silistra | 1,337.20 mi (2,152.02 km) |
| Chelmsford to Sliven | 1,355.02 mi (2,180.69 km) |
