| Lake Ronkonkoma to Popovo | 4,762.82 mi (7,665.01 km) |
| Lake Ronkonkoma to Provadia | 4,817.87 mi (7,753.61 km) |
| Lake Ronkonkoma to Radnevo | 4,794.27 mi (7,715.64 km) |
| Lake Ronkonkoma to Radomir | 4,661.34 mi (7,501.71 km) |
| Lake Ronkonkoma to Rakitovo | 4,731.24 mi (7,614.20 km) |
| Lake Ronkonkoma to Rakovski | 4,755.14 mi (7,652.66 km) |
| Lake Ronkonkoma to Razgrad | 4,766.58 mi (7,671.07 km) |
| Lake Ronkonkoma to Razlog | 4,709.69 mi (7,579.51 km) |
| Lake Ronkonkoma to Ruse | 4,732.07 mi (7,615.52 km) |
| Lake Ronkonkoma to Samokov | 4,695.00 mi (7,555.87 km) |
| Lake Ronkonkoma to Sandanski | 4,714.77 mi (7,587.69 km) |
| Lake Ronkonkoma to Sevlievo | 4,730.91 mi (7,613.66 km) |
| Lake Ronkonkoma to Shumen | 4,793.68 mi (7,714.68 km) |
| Lake Ronkonkoma to Silistra | 4,771.86 mi (7,679.57 km) |
| Lake Ronkonkoma to Sliven | 4,794.57 mi (7,716.11 km) |
