| Tustin to Popovo | 6,648.16 mi (10,699.18 km) |
| Tustin to Provadia | 6,687.48 mi (10,762.45 km) |
| Tustin to Radnevo | 6,703.76 mi (10,788.66 km) |
| Tustin to Radomir | 6,610.99 mi (10,639.36 km) |
| Tustin to Rakitovo | 6,674.66 mi (10,741.82 km) |
| Tustin to Rakovski | 6,679.67 mi (10,749.89 km) |
| Tustin to Razgrad | 6,644.07 mi (10,692.60 km) |
| Tustin to Razlog | 6,664.08 mi (10,724.79 km) |
| Tustin to Ruse | 6,612.82 mi (10,642.31 km) |
| Tustin to Samokov | 6,639.73 mi (10,685.61 km) |
| Tustin to Sandanski | 6,677.63 mi (10,746.60 km) |
| Tustin to Sevlievo | 6,639.51 mi (10,685.26 km) |
| Tustin to Shumen | 6,669.33 mi (10,733.24 km) |
| Tustin to Silistra | 6,626.67 mi (10,664.60 km) |
| Tustin to Sliven | 6,690.77 mi (10,767.75 km) |
