| Spanish Lake to Popovo | 5,511.41 mi (8,869.76 km) |
| Spanish Lake to Provadia | 5,562.13 mi (8,951.38 km) |
| Spanish Lake to Radnevo | 5,551.75 mi (8,934.68 km) |
| Spanish Lake to Radomir | 5,430.14 mi (8,738.97 km) |
| Spanish Lake to Rakitovo | 5,499.15 mi (8,850.03 km) |
| Spanish Lake to Rakovski | 5,517.03 mi (8,878.81 km) |
| Spanish Lake to Razgrad | 5,512.54 mi (8,871.58 km) |
| Spanish Lake to Razlog | 5,480.96 mi (8,820.75 km) |
| Spanish Lake to Ruse | 5,478.47 mi (8,816.75 km) |
| Spanish Lake to Samokov | 5,462.71 mi (8,791.39 km) |
| Spanish Lake to Sandanski | 5,489.00 mi (8,833.70 km) |
| Spanish Lake to Sevlievo | 5,486.90 mi (8,830.31 km) |
| Spanish Lake to Shumen | 5,539.54 mi (8,915.02 km) |
| Spanish Lake to Silistra | 5,510.08 mi (8,867.62 km) |
| Spanish Lake to Sliven | 5,547.50 mi (8,927.85 km) |
