| Trotwood to Popovo | 5,245.84 mi (8,442.36 km) |
| Trotwood to Provadia | 5,298.15 mi (8,526.54 km) |
| Trotwood to Radnevo | 5,283.23 mi (8,502.54 km) |
| Trotwood to Radomir | 5,157.53 mi (8,300.24 km) |
| Trotwood to Rakitovo | 5,226.97 mi (8,412.00 km) |
| Trotwood to Rakovski | 5,246.94 mi (8,444.13 km) |
| Trotwood to Razgrad | 5,247.87 mi (8,445.63 km) |
| Trotwood to Razlog | 5,207.60 mi (8,380.82 km) |
| Trotwood to Ruse | 5,213.58 mi (8,390.44 km) |
| Trotwood to Samokov | 5,190.53 mi (8,353.35 km) |
| Trotwood to Sandanski | 5,214.65 mi (8,392.17 km) |
| Trotwood to Sevlievo | 5,218.75 mi (8,398.77 km) |
| Trotwood to Shumen | 5,274.96 mi (8,489.23 km) |
| Trotwood to Silistra | 5,248.05 mi (8,445.91 km) |
| Trotwood to Sliven | 5,280.53 mi (8,498.19 km) |
