| Enid to Popovo | 5,904.25 mi (9,501.97 km) |
| Enid to Provadia | 5,952.92 mi (9,580.29 km) |
| Enid to Radnevo | 5,947.96 mi (9,572.32 km) |
| Enid to Radomir | 5,831.49 mi (9,384.88 km) |
| Enid to Rakitovo | 5,899.81 mi (9,494.83 km) |
| Enid to Rakovski | 5,915.20 mi (9,519.60 km) |
| Enid to Razgrad | 5,904.30 mi (9,502.06 km) |
| Enid to Razlog | 5,883.04 mi (9,467.84 km) |
| Enid to Ruse | 5,870.61 mi (9,447.83 km) |
| Enid to Samokov | 5,863.47 mi (9,436.35 km) |
| Enid to Sandanski | 5,892.23 mi (9,482.63 km) |
| Enid to Sevlievo | 5,882.85 mi (9,467.53 km) |
| Enid to Shumen | 5,931.11 mi (9,545.19 km) |
| Enid to Silistra | 5,898.71 mi (9,493.06 km) |
| Enid to Sliven | 5,941.90 mi (9,562.57 km) |
