| Grantsville to Popovo | 6,091.33 mi (9,803.04 km) |
| Grantsville to Provadia | 6,131.22 mi (9,867.25 km) |
| Grantsville to Radnevo | 6,146.41 mi (9,891.69 km) |
| Grantsville to Radomir | 6,052.72 mi (9,740.92 km) |
| Grantsville to Rakitovo | 6,116.56 mi (9,843.65 km) |
| Grantsville to Rakovski | 6,121.93 mi (9,852.30 km) |
| Grantsville to Razgrad | 6,087.46 mi (9,796.83 km) |
| Grantsville to Razlog | 6,105.80 mi (9,826.33 km) |
| Grantsville to Ruse | 6,056.04 mi (9,746.26 km) |
| Grantsville to Samokov | 6,081.56 mi (9,787.33 km) |
| Grantsville to Sandanski | 6,119.25 mi (9,847.98 km) |
| Grantsville to Sevlievo | 6,082.06 mi (9,788.13 km) |
| Grantsville to Shumen | 6,112.84 mi (9,837.66 km) |
| Grantsville to Silistra | 6,070.74 mi (9,769.92 km) |
| Grantsville to Sliven | 6,133.73 mi (9,871.29 km) |
