| Glassboro to Popovo | 4,893.58 mi (7,875.46 km) |
| Glassboro to Provadia | 4,948.57 mi (7,963.95 km) |
| Glassboro to Radnevo | 4,925.17 mi (7,926.30 km) |
| Glassboro to Radomir | 4,792.35 mi (7,712.54 km) |
| Glassboro to Rakitovo | 4,862.25 mi (7,825.03 km) |
| Glassboro to Rakovski | 4,886.09 mi (7,863.40 km) |
| Glassboro to Razgrad | 4,897.30 mi (7,881.44 km) |
| Glassboro to Razlog | 4,840.72 mi (7,790.38 km) |
| Glassboro to Ruse | 4,862.79 mi (7,825.90 km) |
| Glassboro to Samokov | 4,826.00 mi (7,766.70 km) |
| Glassboro to Sandanski | 4,845.82 mi (7,798.59 km) |
| Glassboro to Sevlievo | 4,861.78 mi (7,824.28 km) |
| Glassboro to Shumen | 4,924.40 mi (7,925.05 km) |
| Glassboro to Silistra | 4,902.43 mi (7,889.69 km) |
| Glassboro to Sliven | 4,925.41 mi (7,926.68 km) |
