| Griffith to Popovo | 5,272.53 mi (8,485.32 km) |
| Griffith to Provadia | 5,323.09 mi (8,566.68 km) |
| Griffith to Radnevo | 5,313.20 mi (8,550.78 km) |
| Griffith to Radomir | 5,192.22 mi (8,356.06 km) |
| Griffith to Rakitovo | 5,261.14 mi (8,466.98 km) |
| Griffith to Rakovski | 5,278.71 mi (8,495.25 km) |
| Griffith to Razgrad | 5,273.57 mi (8,487.00 km) |
| Griffith to Razlog | 5,243.14 mi (8,438.02 km) |
| Griffith to Ruse | 5,239.53 mi (8,432.22 km) |
| Griffith to Samokov | 5,224.71 mi (8,408.36 km) |
| Griffith to Sandanski | 5,251.36 mi (8,451.25 km) |
| Griffith to Sevlievo | 5,248.31 mi (8,446.34 km) |
| Griffith to Shumen | 5,300.56 mi (8,530.42 km) |
| Griffith to Silistra | 5,270.89 mi (8,482.67 km) |
| Griffith to Sliven | 5,308.77 mi (8,543.65 km) |
