| Mason to Popovo | 5,266.75 mi (8,476.02 km) |
| Mason to Provadia | 5,319.24 mi (8,560.49 km) |
| Mason to Radnevo | 5,303.78 mi (8,535.61 km) |
| Mason to Radomir | 5,177.57 mi (8,332.50 km) |
| Mason to Rakitovo | 5,247.06 mi (8,444.33 km) |
| Mason to Rakovski | 5,267.30 mi (8,476.89 km) |
| Mason to Razgrad | 5,268.89 mi (8,479.46 km) |
| Mason to Razlog | 5,227.54 mi (8,412.91 km) |
| Mason to Ruse | 5,234.57 mi (8,424.23 km) |
| Mason to Samokov | 5,210.63 mi (8,385.69 km) |
| Mason to Sandanski | 5,234.46 mi (8,424.05 km) |
| Mason to Sevlievo | 5,239.36 mi (8,431.93 km) |
| Mason to Shumen | 5,295.98 mi (8,523.06 km) |
| Mason to Silistra | 5,269.37 mi (8,480.23 km) |
| Mason to Sliven | 5,301.27 mi (8,531.56 km) |
