| Plymstock to Popovo | 1,500.10 mi (2,414.18 km) |
| Plymstock to Provadia | 1,558.32 mi (2,507.87 km) |
| Plymstock to Radnevo | 1,523.97 mi (2,452.60 km) |
| Plymstock to Radomir | 1,385.77 mi (2,230.19 km) |
| Plymstock to Rakitovo | 1,455.69 mi (2,342.70 km) |
| Plymstock to Rakovski | 1,482.42 mi (2,385.73 km) |
| Plymstock to Razgrad | 1,506.32 mi (2,424.20 km) |
| Plymstock to Razlog | 1,433.00 mi (2,306.18 km) |
| Plymstock to Ruse | 1,472.04 mi (2,369.02 km) |
| Plymstock to Samokov | 1,419.72 mi (2,284.82 km) |
| Plymstock to Sandanski | 1,437.26 mi (2,313.05 km) |
| Plymstock to Sevlievo | 1,462.40 mi (2,353.50 km) |
| Plymstock to Shumen | 1,533.01 mi (2,467.14 km) |
| Plymstock to Silistra | 1,519.85 mi (2,445.97 km) |
| Plymstock to Sliven | 1,527.61 mi (2,458.46 km) |
