| Florham Park to Popovo | 4,816.49 mi (7,751.39 km) |
| Florham Park to Provadia | 4,871.24 mi (7,839.51 km) |
| Florham Park to Radnevo | 4,848.67 mi (7,803.17 km) |
| Florham Park to Radomir | 4,716.54 mi (7,590.54 km) |
| Florham Park to Rakitovo | 4,786.42 mi (7,702.99 km) |
| Florham Park to Rakovski | 4,809.85 mi (7,740.71 km) |
| Florham Park to Razgrad | 4,820.05 mi (7,757.12 km) |
| Florham Park to Razlog | 4,765.12 mi (7,668.71 km) |
| Florham Park to Ruse | 4,785.55 mi (7,701.59 km) |
| Florham Park to Samokov | 4,750.14 mi (7,644.61 km) |
| Florham Park to Sandanski | 4,770.43 mi (7,677.27 km) |
| Florham Park to Sevlievo | 4,785.14 mi (7,700.94 km) |
| Florham Park to Shumen | 4,847.16 mi (7,800.75 km) |
| Florham Park to Silistra | 4,824.72 mi (7,764.64 km) |
| Florham Park to Sliven | 4,848.60 mi (7,803.07 km) |
