| Highland Park to Popovo | 5,253.20 mi (8,454.21 km) |
| Highland Park to Provadia | 5,303.34 mi (8,534.91 km) |
| Highland Park to Radnevo | 5,294.61 mi (8,520.85 km) |
| Highland Park to Radomir | 5,174.75 mi (8,327.96 km) |
| Highland Park to Rakitovo | 5,243.53 mi (8,438.64 km) |
| Highland Park to Rakovski | 5,260.53 mi (8,466.01 km) |
| Highland Park to Razgrad | 5,254.02 mi (8,455.53 km) |
| Highland Park to Razlog | 5,225.85 mi (8,410.20 km) |
| Highland Park to Ruse | 5,220.05 mi (8,400.86 km) |
| Highland Park to Samokov | 5,207.11 mi (8,380.04 km) |
| Highland Park to Sandanski | 5,234.34 mi (8,423.86 km) |
| Highland Park to Sevlievo | 5,229.65 mi (8,416.30 km) |
| Highland Park to Shumen | 5,280.97 mi (8,498.90 km) |
| Highland Park to Silistra | 5,250.69 mi (8,450.17 km) |
| Highland Park to Sliven | 5,289.78 mi (8,513.08 km) |
