| Greeley to Popovo | 5,894.25 mi (9,485.88 km) |
| Greeley to Provadia | 5,938.18 mi (9,556.57 km) |
| Greeley to Radnevo | 5,944.70 mi (9,567.06 km) |
| Greeley to Radomir | 5,840.72 mi (9,399.73 km) |
| Greeley to Rakitovo | 5,906.81 mi (9,506.09 km) |
| Greeley to Rakovski | 5,916.52 mi (9,521.71 km) |
| Greeley to Razgrad | 5,892.07 mi (9,482.37 km) |
| Greeley to Razlog | 5,893.41 mi (9,484.53 km) |
| Greeley to Ruse | 5,859.49 mi (9,429.94 km) |
| Greeley to Samokov | 5,871.05 mi (9,448.55 km) |
| Greeley to Sandanski | 5,905.11 mi (9,503.36 km) |
| Greeley to Sevlievo | 5,879.68 mi (9,462.43 km) |
| Greeley to Shumen | 5,918.20 mi (9,524.42 km) |
| Greeley to Silistra | 5,880.11 mi (9,463.13 km) |
| Greeley to Sliven | 5,934.82 mi (9,551.17 km) |
