| Fallbrook to Popovo | 6,656.13 mi (10,712.01 km) |
| Fallbrook to Provadia | 6,695.94 mi (10,776.07 km) |
| Fallbrook to Radnevo | 6,711.22 mi (10,800.66 km) |
| Fallbrook to Radomir | 6,617.17 mi (10,649.31 km) |
| Fallbrook to Rakitovo | 6,681.14 mi (10,752.25 km) |
| Fallbrook to Rakovski | 6,686.67 mi (10,761.16 km) |
| Fallbrook to Razgrad | 6,652.24 mi (10,705.75 km) |
| Fallbrook to Razlog | 6,670.23 mi (10,734.70 km) |
| Fallbrook to Ruse | 6,620.84 mi (10,655.21 km) |
| Fallbrook to Samokov | 6,646.10 mi (10,695.86 km) |
| Fallbrook to Sandanski | 6,683.58 mi (10,756.18 km) |
| Fallbrook to Sevlievo | 6,646.86 mi (10,697.08 km) |
| Fallbrook to Shumen | 6,677.59 mi (10,746.55 km) |
| Fallbrook to Silistra | 6,635.38 mi (10,678.62 km) |
| Fallbrook to Sliven | 6,698.55 mi (10,780.27 km) |
