| Tehachapi to Popovo | 6,576.95 mi (10,584.57 km) |
| Tehachapi to Provadia | 6,615.36 mi (10,646.39 km) |
| Tehachapi to Radnevo | 6,633.48 mi (10,675.56 km) |
| Tehachapi to Radomir | 6,543.12 mi (10,530.14 km) |
| Tehachapi to Rakitovo | 6,606.20 mi (10,631.66 km) |
| Tehachapi to Rakovski | 6,610.24 mi (10,638.15 km) |
| Tehachapi to Razgrad | 6,572.51 mi (10,577.43 km) |
| Tehachapi to Razlog | 6,596.23 mi (10,615.61 km) |
| Tehachapi to Ruse | 6,541.54 mi (10,527.60 km) |
| Tehachapi to Samokov | 6,571.48 mi (10,575.78 km) |
| Tehachapi to Sandanski | 6,610.17 mi (10,638.03 km) |
| Tehachapi to Sevlievo | 6,569.46 mi (10,572.53 km) |
| Tehachapi to Shumen | 6,597.57 mi (10,617.76 km) |
| Tehachapi to Silistra | 6,554.13 mi (10,547.85 km) |
| Tehachapi to Sliven | 6,619.90 mi (10,653.70 km) |
