| Silverdale to Popovo | 5,869.36 mi (9,445.83 km) |
| Silverdale to Provadia | 5,900.88 mi (9,496.55 km) |
| Silverdale to Radnevo | 5,931.99 mi (9,546.61 km) |
| Silverdale to Radomir | 5,860.12 mi (9,430.95 km) |
| Silverdale to Rakitovo | 5,918.18 mi (9,524.40 km) |
| Silverdale to Rakovski | 5,915.10 mi (9,519.43 km) |
| Silverdale to Razgrad | 5,862.43 mi (9,434.67 km) |
| Silverdale to Razlog | 5,912.77 mi (9,515.68 km) |
| Silverdale to Ruse | 5,833.85 mi (9,388.67 km) |
| Silverdale to Samokov | 5,885.42 mi (9,471.67 km) |
| Silverdale to Sandanski | 5,929.35 mi (9,542.37 km) |
| Silverdale to Sevlievo | 5,870.31 mi (9,447.35 km) |
| Silverdale to Shumen | 5,885.84 mi (9,472.35 km) |
| Silverdale to Silistra | 5,837.23 mi (9,394.11 km) |
| Silverdale to Sliven | 5,914.30 mi (9,518.15 km) |
