| Greenwood Village to Popovo | 5,944.56 mi (9,566.85 km) |
| Greenwood Village to Provadia | 5,988.75 mi (9,637.96 km) |
| Greenwood Village to Radnevo | 5,994.67 mi (9,647.49 km) |
| Greenwood Village to Radomir | 5,889.97 mi (9,478.99 km) |
| Greenwood Village to Rakitovo | 5,956.21 mi (9,585.59 km) |
| Greenwood Village to Rakovski | 5,966.23 mi (9,601.72 km) |
| Greenwood Village to Razgrad | 5,942.50 mi (9,563.52 km) |
| Greenwood Village to Razlog | 5,942.62 mi (9,563.72 km) |
| Greenwood Village to Ruse | 5,909.85 mi (9,510.98 km) |
| Greenwood Village to Samokov | 5,920.41 mi (9,527.98 km) |
| Greenwood Village to Sandanski | 5,954.18 mi (9,582.33 km) |
| Greenwood Village to Sevlievo | 5,929.62 mi (9,542.81 km) |
| Greenwood Village to Shumen | 5,968.67 mi (9,605.64 km) |
| Greenwood Village to Silistra | 5,930.86 mi (9,544.79 km) |
| Greenwood Village to Sliven | 5,984.99 mi (9,631.92 km) |
