| Gresham to Popovo | 6,003.48 mi (9,661.68 km) |
| Gresham to Provadia | 6,035.88 mi (9,713.82 km) |
| Gresham to Radnevo | 6,065.42 mi (9,761.35 km) |
| Gresham to Radomir | 5,991.14 mi (9,641.81 km) |
| Gresham to Rakitovo | 6,049.91 mi (9,736.39 km) |
| Gresham to Rakovski | 6,047.72 mi (9,732.87 km) |
| Gresham to Razgrad | 5,996.85 mi (9,651.00 km) |
| Gresham to Razlog | 6,043.91 mi (9,726.74 km) |
| Gresham to Ruse | 5,967.95 mi (9,604.48 km) |
| Gresham to Samokov | 6,016.86 mi (9,683.21 km) |
| Gresham to Sandanski | 6,060.18 mi (9,752.91 km) |
| Gresham to Sevlievo | 6,003.38 mi (9,661.51 km) |
| Gresham to Shumen | 6,020.49 mi (9,689.05 km) |
| Gresham to Silistra | 5,972.47 mi (9,611.76 km) |
| Gresham to Sliven | 6,048.22 mi (9,733.68 km) |
