| Middletown to Popovo | 5,261.93 mi (8,468.25 km) |
| Middletown to Provadia | 5,314.34 mi (8,552.60 km) |
| Middletown to Radnevo | 5,299.12 mi (8,528.10 km) |
| Middletown to Radomir | 5,173.13 mi (8,325.34 km) |
| Middletown to Rakitovo | 5,242.60 mi (8,437.15 km) |
| Middletown to Rakovski | 5,262.71 mi (8,469.52 km) |
| Middletown to Razgrad | 5,264.02 mi (8,471.62 km) |
| Middletown to Razlog | 5,223.14 mi (8,405.83 km) |
| Middletown to Ruse | 5,229.71 mi (8,416.41 km) |
| Middletown to Samokov | 5,206.16 mi (8,378.50 km) |
| Middletown to Sandanski | 5,230.12 mi (8,417.06 km) |
| Middletown to Sevlievo | 5,234.67 mi (8,424.38 km) |
| Middletown to Shumen | 5,291.11 mi (8,515.22 km) |
| Middletown to Silistra | 5,264.36 mi (8,472.18 km) |
| Middletown to Sliven | 5,296.52 mi (8,523.92 km) |
