| Merrick to Popovo | 4,788.42 mi (7,706.21 km) |
| Merrick to Provadia | 4,843.43 mi (7,794.75 km) |
| Merrick to Radnevo | 4,819.96 mi (7,756.98 km) |
| Merrick to Radomir | 4,687.13 mi (7,543.21 km) |
| Merrick to Rakitovo | 4,757.03 mi (7,655.70 km) |
| Merrick to Rakovski | 4,780.87 mi (7,694.07 km) |
| Merrick to Razgrad | 4,792.15 mi (7,712.22 km) |
| Merrick to Razlog | 4,735.50 mi (7,621.06 km) |
| Merrick to Ruse | 4,757.64 mi (7,656.68 km) |
| Merrick to Samokov | 4,720.78 mi (7,597.36 km) |
| Merrick to Sandanski | 4,740.61 mi (7,629.27 km) |
| Merrick to Sevlievo | 4,756.58 mi (7,654.97 km) |
| Merrick to Shumen | 4,819.25 mi (7,755.84 km) |
| Merrick to Silistra | 4,797.35 mi (7,720.59 km) |
| Merrick to Sliven | 4,820.21 mi (7,757.39 km) |
