| Balderton to Popovo | 1,400.97 mi (2,254.65 km) |
| Balderton to Provadia | 1,455.68 mi (2,342.70 km) |
| Balderton to Radnevo | 1,435.07 mi (2,309.52 km) |
| Balderton to Radomir | 1,309.04 mi (2,106.69 km) |
| Balderton to Rakitovo | 1,378.29 mi (2,218.15 km) |
| Balderton to Rakovski | 1,398.09 mi (2,250.01 km) |
| Balderton to Razgrad | 1,404.45 mi (2,260.25 km) |
| Balderton to Razlog | 1,359.62 mi (2,188.09 km) |
| Balderton to Ruse | 1,369.95 mi (2,204.72 km) |
| Balderton to Samokov | 1,341.84 mi (2,159.49 km) |
| Balderton to Sandanski | 1,367.62 mi (2,200.97 km) |
| Balderton to Sevlievo | 1,370.95 mi (2,206.34 km) |
| Balderton to Shumen | 1,431.56 mi (2,303.88 km) |
| Balderton to Silistra | 1,410.08 mi (2,269.30 km) |
| Balderton to Sliven | 1,433.73 mi (2,307.36 km) |
