| Lake Forest to Popovo | 6,649.12 mi (10,700.72 km) |
| Lake Forest to Provadia | 6,688.55 mi (10,764.17 km) |
| Lake Forest to Radnevo | 6,704.60 mi (10,790.01 km) |
| Lake Forest to Radomir | 6,611.54 mi (10,640.25 km) |
| Lake Forest to Rakitovo | 6,675.28 mi (10,742.82 km) |
| Lake Forest to Rakovski | 6,680.41 mi (10,751.08 km) |
| Lake Forest to Razgrad | 6,645.08 mi (10,694.22 km) |
| Lake Forest to Razlog | 6,664.62 mi (10,725.68 km) |
| Lake Forest to Ruse | 6,613.79 mi (10,643.87 km) |
| Lake Forest to Samokov | 6,640.32 mi (10,686.57 km) |
| Lake Forest to Sandanski | 6,678.13 mi (10,747.41 km) |
| Lake Forest to Sevlievo | 6,640.33 mi (10,686.58 km) |
| Lake Forest to Shumen | 6,670.35 mi (10,734.89 km) |
| Lake Forest to Silistra | 6,627.80 mi (10,666.41 km) |
| Lake Forest to Sliven | 6,691.68 mi (10,769.22 km) |
