| North Merrick to Popovo | 4,787.16 mi (7,704.18 km) |
| North Merrick to Provadia | 4,842.15 mi (7,792.70 km) |
| North Merrick to Radnevo | 4,818.74 mi (7,755.02 km) |
| North Merrick to Radomir | 4,685.95 mi (7,541.31 km) |
| North Merrick to Rakitovo | 4,755.85 mi (7,653.80 km) |
| North Merrick to Rakovski | 4,779.67 mi (7,692.13 km) |
| North Merrick to Razgrad | 4,790.88 mi (7,710.18 km) |
| North Merrick to Razlog | 4,734.34 mi (7,619.18 km) |
| North Merrick to Ruse | 4,756.37 mi (7,654.64 km) |
| North Merrick to Samokov | 4,719.60 mi (7,595.46 km) |
| North Merrick to Sandanski | 4,739.46 mi (7,627.43 km) |
| North Merrick to Sevlievo | 4,755.35 mi (7,652.99 km) |
| North Merrick to Shumen | 4,817.98 mi (7,753.79 km) |
| North Merrick to Silistra | 4,796.05 mi (7,718.49 km) |
| North Merrick to Sliven | 4,818.97 mi (7,755.39 km) |
