| Gloucester City to Popovo | 4,885.17 mi (7,861.92 km) |
| Gloucester City to Provadia | 4,940.08 mi (7,950.29 km) |
| Gloucester City to Radnevo | 4,916.94 mi (7,913.06 km) |
| Gloucester City to Radomir | 4,784.33 mi (7,699.64 km) |
| Gloucester City to Rakitovo | 4,854.22 mi (7,812.12 km) |
| Gloucester City to Rakovski | 4,877.94 mi (7,850.29 km) |
| Gloucester City to Razgrad | 4,888.83 mi (7,867.82 km) |
| Gloucester City to Razlog | 4,832.76 mi (7,777.58 km) |
| Gloucester City to Ruse | 4,854.32 mi (7,812.28 km) |
| Gloucester City to Samokov | 4,817.97 mi (7,753.77 km) |
| Gloucester City to Sandanski | 4,837.93 mi (7,785.89 km) |
| Gloucester City to Sevlievo | 4,853.51 mi (7,810.96 km) |
| Gloucester City to Shumen | 4,915.94 mi (7,911.43 km) |
| Gloucester City to Silistra | 4,893.81 mi (7,875.83 km) |
| Gloucester City to Sliven | 4,917.08 mi (7,913.28 km) |
