| Round Lake Beach to Popovo | 5,252.74 mi (8,453.46 km) |
| Round Lake Beach to Provadia | 5,302.70 mi (8,533.87 km) |
| Round Lake Beach to Radnevo | 5,294.45 mi (8,520.60 km) |
| Round Lake Beach to Radomir | 5,175.08 mi (8,328.48 km) |
| Round Lake Beach to Rakitovo | 5,243.79 mi (8,439.06 km) |
| Round Lake Beach to Rakovski | 5,260.56 mi (8,466.05 km) |
| Round Lake Beach to Razgrad | 5,253.46 mi (8,454.62 km) |
| Round Lake Beach to Razlog | 5,226.26 mi (8,410.85 km) |
| Round Lake Beach to Ruse | 5,219.52 mi (8,400.01 km) |
| Round Lake Beach to Samokov | 5,207.38 mi (8,380.47 km) |
| Round Lake Beach to Sandanski | 5,234.86 mi (8,424.69 km) |
| Round Lake Beach to Sevlievo | 5,229.46 mi (8,416.01 km) |
| Round Lake Beach to Shumen | 5,280.39 mi (8,497.97 km) |
| Round Lake Beach to Silistra | 5,249.85 mi (8,448.82 km) |
| Round Lake Beach to Sliven | 5,289.46 mi (8,512.57 km) |
