| Humlebaek to Popovo | 1,061.28 mi (1,707.97 km) |
| Humlebaek to Provadia | 1,102.12 mi (1,773.69 km) |
| Humlebaek to Radnevo | 1,117.45 mi (1,798.36 km) |
| Humlebaek to Radomir | 1,036.43 mi (1,667.97 km) |
| Humlebaek to Rakitovo | 1,095.54 mi (1,763.10 km) |
| Humlebaek to Rakovski | 1,095.72 mi (1,763.39 km) |
| Humlebaek to Razgrad | 1,057.57 mi (1,701.99 km) |
| Humlebaek to Razlog | 1,089.17 mi (1,752.84 km) |
| Humlebaek to Ruse | 1,026.00 mi (1,651.19 km) |
| Humlebaek to Samokov | 1,062.20 mi (1,709.45 km) |
| Humlebaek to Sandanski | 1,105.60 mi (1,779.30 km) |
| Humlebaek to Sevlievo | 1,053.70 mi (1,695.76 km) |
| Humlebaek to Shumen | 1,083.14 mi (1,743.14 km) |
| Humlebaek to Silistra | 1,043.00 mi (1,678.54 km) |
| Humlebaek to Sliven | 1,103.85 mi (1,776.48 km) |
