| Darien to Popovo | 5,281.30 mi (8,499.44 km) |
| Darien to Provadia | 5,331.58 mi (8,580.34 km) |
| Darien to Radnevo | 5,322.48 mi (8,565.70 km) |
| Darien to Radomir | 5,202.25 mi (8,372.21 km) |
| Darien to Rakitovo | 5,271.08 mi (8,482.98 km) |
| Darien to Rakovski | 5,288.27 mi (8,510.64 km) |
| Darien to Razgrad | 5,282.19 mi (8,500.86 km) |
| Darien to Razlog | 5,253.30 mi (8,454.36 km) |
| Darien to Ruse | 5,248.20 mi (8,446.16 km) |
| Darien to Samokov | 5,234.66 mi (8,424.37 km) |
| Darien to Sandanski | 5,261.70 mi (8,467.88 km) |
| Darien to Sevlievo | 5,257.54 mi (8,461.19 km) |
| Darien to Shumen | 5,309.15 mi (8,544.25 km) |
| Darien to Silistra | 5,279.06 mi (8,495.82 km) |
| Darien to Sliven | 5,317.78 mi (8,558.14 km) |
