| Bound Brook to Popovo | 4,831.59 mi (7,775.69 km) |
| Bound Brook to Provadia | 4,886.39 mi (7,863.88 km) |
| Bound Brook to Radnevo | 4,863.65 mi (7,827.29 km) |
| Bound Brook to Radomir | 4,731.39 mi (7,614.44 km) |
| Bound Brook to Rakitovo | 4,801.27 mi (7,726.90 km) |
| Bound Brook to Rakovski | 4,824.79 mi (7,764.74 km) |
| Bound Brook to Razgrad | 4,835.18 mi (7,781.47 km) |
| Bound Brook to Razlog | 4,779.93 mi (7,692.55 km) |
| Bound Brook to Ruse | 4,800.67 mi (7,725.94 km) |
| Bound Brook to Samokov | 4,765.00 mi (7,668.52 km) |
| Bound Brook to Sandanski | 4,785.20 mi (7,701.04 km) |
| Bound Brook to Sevlievo | 4,800.15 mi (7,725.10 km) |
| Bound Brook to Shumen | 4,862.29 mi (7,825.10 km) |
| Bound Brook to Silistra | 4,839.94 mi (7,789.14 km) |
| Bound Brook to Sliven | 4,863.65 mi (7,827.29 km) |
