| Granite City to Popovo | 5,511.57 mi (8,870.02 km) |
| Granite City to Provadia | 5,562.34 mi (8,951.72 km) |
| Granite City to Radnevo | 5,551.82 mi (8,934.78 km) |
| Granite City to Radomir | 5,430.07 mi (8,738.85 km) |
| Granite City to Rakitovo | 5,499.09 mi (8,849.93 km) |
| Granite City to Rakovski | 5,517.05 mi (8,878.83 km) |
| Granite City to Razgrad | 5,512.73 mi (8,871.88 km) |
| Granite City to Razlog | 5,480.86 mi (8,820.58 km) |
| Granite City to Ruse | 5,478.66 mi (8,817.04 km) |
| Granite City to Samokov | 5,462.65 mi (8,791.29 km) |
| Granite City to Sandanski | 5,488.87 mi (8,833.48 km) |
| Granite City to Sevlievo | 5,486.97 mi (8,830.43 km) |
| Granite City to Shumen | 5,539.73 mi (8,915.33 km) |
| Granite City to Silistra | 5,510.35 mi (8,868.06 km) |
| Granite City to Sliven | 5,547.62 mi (8,928.03 km) |
