| Alvin to Popovo | 6,196.48 mi (9,972.27 km) |
| Alvin to Provadia | 6,248.80 mi (10,056.48 km) |
| Alvin to Radnevo | 6,233.65 mi (10,032.10 km) |
| Alvin to Radomir | 6,107.24 mi (9,828.66 km) |
| Alvin to Rakitovo | 6,176.77 mi (9,940.55 km) |
| Alvin to Rakovski | 6,197.14 mi (9,973.34 km) |
| Alvin to Razgrad | 6,198.53 mi (9,975.57 km) |
| Alvin to Razlog | 6,157.11 mi (9,908.91 km) |
| Alvin to Ruse | 6,164.23 mi (9,920.37 km) |
| Alvin to Samokov | 6,140.34 mi (9,881.92 km) |
| Alvin to Sandanski | 6,163.88 mi (9,919.80 km) |
| Alvin to Sevlievo | 6,169.22 mi (9,928.40 km) |
| Alvin to Shumen | 6,225.62 mi (10,019.16 km) |
| Alvin to Silistra | 6,198.63 mi (9,975.72 km) |
| Alvin to Sliven | 6,231.10 mi (10,027.98 km) |
