| Allison Park to Popovo | 5,043.53 mi (8,116.77 km) |
| Allison Park to Provadia | 5,096.84 mi (8,202.58 km) |
| Allison Park to Radnevo | 5,078.89 mi (8,173.68 km) |
| Allison Park to Radomir | 4,950.58 mi (7,967.18 km) |
| Allison Park to Rakitovo | 5,020.24 mi (8,079.29 km) |
| Allison Park to Rakovski | 5,041.58 mi (8,113.64 km) |
| Allison Park to Razgrad | 5,046.16 mi (8,121.02 km) |
| Allison Park to Razlog | 5,000.10 mi (8,046.88 km) |
| Allison Park to Ruse | 5,011.76 mi (8,065.65 km) |
| Allison Park to Samokov | 4,983.83 mi (8,020.71 km) |
| Allison Park to Sandanski | 5,006.48 mi (8,057.15 km) |
| Allison Park to Sevlievo | 5,014.74 mi (8,070.44 km) |
| Allison Park to Shumen | 5,073.28 mi (8,164.66 km) |
| Allison Park to Silistra | 5,048.12 mi (8,124.17 km) |
| Allison Park to Sliven | 5,077.23 mi (8,171.01 km) |
