| Swallownest to Popovo | 1,429.21 mi (2,300.09 km) |
| Swallownest to Provadia | 1,483.65 mi (2,387.70 km) |
| Swallownest to Radnevo | 1,463.90 mi (2,355.92 km) |
| Swallownest to Radomir | 1,338.57 mi (2,154.23 km) |
| Swallownest to Rakitovo | 1,407.75 mi (2,265.56 km) |
| Swallownest to Rakovski | 1,427.19 mi (2,296.84 km) |
| Swallownest to Razgrad | 1,432.51 mi (2,305.40 km) |
| Swallownest to Razlog | 1,389.27 mi (2,235.82 km) |
| Swallownest to Ruse | 1,398.02 mi (2,249.89 km) |
| Swallownest to Samokov | 1,371.30 mi (2,206.90 km) |
| Swallownest to Sandanski | 1,397.43 mi (2,248.95 km) |
| Swallownest to Sevlievo | 1,399.68 mi (2,252.57 km) |
| Swallownest to Shumen | 1,459.62 mi (2,349.04 km) |
| Swallownest to Silistra | 1,437.57 mi (2,313.55 km) |
| Swallownest to Sliven | 1,462.27 mi (2,353.29 km) |
