| Merrifield to Popovo | 5,016.81 mi (8,073.78 km) |
| Merrifield to Provadia | 5,071.55 mi (8,161.88 km) |
| Merrifield to Radnevo | 5,048.97 mi (8,125.53 km) |
| Merrifield to Radomir | 4,916.75 mi (7,912.74 km) |
| Merrifield to Rakitovo | 4,986.63 mi (8,025.20 km) |
| Merrifield to Rakovski | 5,010.13 mi (8,063.02 km) |
| Merrifield to Razgrad | 5,020.36 mi (8,079.50 km) |
| Merrifield to Razlog | 4,965.28 mi (7,990.84 km) |
| Merrifield to Ruse | 4,985.86 mi (8,023.97 km) |
| Merrifield to Samokov | 4,950.35 mi (7,966.82 km) |
| Merrifield to Sandanski | 4,970.54 mi (7,999.31 km) |
| Merrifield to Sevlievo | 4,985.45 mi (8,023.31 km) |
| Merrifield to Shumen | 5,047.47 mi (8,123.12 km) |
| Merrifield to Silistra | 5,024.99 mi (8,086.94 km) |
| Merrifield to Sliven | 5,048.93 mi (8,125.46 km) |
