| Mastic Beach to Popovo | 4,754.51 mi (7,651.64 km) |
| Mastic Beach to Provadia | 4,809.65 mi (7,740.39 km) |
| Mastic Beach to Radnevo | 4,785.73 mi (7,701.89 km) |
| Mastic Beach to Radomir | 4,652.55 mi (7,487.56 km) |
| Mastic Beach to Rakitovo | 4,722.46 mi (7,600.06 km) |
| Mastic Beach to Rakovski | 4,746.50 mi (7,638.75 km) |
| Mastic Beach to Razgrad | 4,758.33 mi (7,657.80 km) |
| Mastic Beach to Razlog | 4,700.82 mi (7,565.24 km) |
| Mastic Beach to Ruse | 4,723.82 mi (7,602.25 km) |
| Mastic Beach to Samokov | 4,686.23 mi (7,541.75 km) |
| Mastic Beach to Sandanski | 4,705.83 mi (7,573.30 km) |
| Mastic Beach to Sevlievo | 4,722.42 mi (7,600.00 km) |
| Mastic Beach to Shumen | 4,785.43 mi (7,701.40 km) |
| Mastic Beach to Silistra | 4,763.80 mi (7,666.59 km) |
| Mastic Beach to Sliven | 4,786.14 mi (7,702.55 km) |
