| Rohnert Park to Popovo | 6,466.28 mi (10,406.47 km) |
| Rohnert Park to Provadia | 6,500.91 mi (10,462.20 km) |
| Rohnert Park to Radnevo | 6,526.34 mi (10,503.13 km) |
| Rohnert Park to Radomir | 6,445.83 mi (10,373.55 km) |
| Rohnert Park to Rakitovo | 6,506.37 mi (10,470.99 km) |
| Rohnert Park to Rakovski | 6,506.54 mi (10,471.26 km) |
| Rohnert Park to Razgrad | 6,460.44 mi (10,397.07 km) |
| Rohnert Park to Razlog | 6,498.83 mi (10,458.85 km) |
| Rohnert Park to Ruse | 6,430.73 mi (10,349.26 km) |
| Rohnert Park to Samokov | 6,472.62 mi (10,416.67 km) |
| Rohnert Park to Sandanski | 6,514.22 mi (10,483.63 km) |
| Rohnert Park to Sevlievo | 6,463.45 mi (10,401.92 km) |
| Rohnert Park to Shumen | 6,484.63 mi (10,436.00 km) |
| Rohnert Park to Silistra | 6,438.17 mi (10,361.23 km) |
| Rohnert Park to Sliven | 6,510.44 mi (10,477.55 km) |
