| Johnston to Popovo | 5,480.10 mi (8,819.37 km) |
| Johnston to Provadia | 5,528.28 mi (8,896.90 km) |
| Johnston to Radnevo | 5,524.67 mi (8,891.10 km) |
| Johnston to Radomir | 5,409.86 mi (8,706.34 km) |
| Johnston to Rakitovo | 5,477.91 mi (8,815.84 km) |
| Johnston to Rakovski | 5,492.49 mi (8,839.32 km) |
| Johnston to Razgrad | 5,479.90 mi (8,819.05 km) |
| Johnston to Razlog | 5,461.63 mi (8,789.65 km) |
| Johnston to Ruse | 5,446.31 mi (8,764.99 km) |
| Johnston to Samokov | 5,441.62 mi (8,757.45 km) |
| Johnston to Sandanski | 5,471.23 mi (8,805.09 km) |
| Johnston to Sevlievo | 5,459.52 mi (8,786.24 km) |
| Johnston to Shumen | 5,506.65 mi (8,862.10 km) |
| Johnston to Silistra | 5,473.64 mi (8,808.98 km) |
| Johnston to Sliven | 5,518.13 mi (8,880.57 km) |
