| North Logan to Popovo | 6,004.23 mi (9,662.88 km) |
| North Logan to Provadia | 6,044.04 mi (9,726.94 km) |
| North Logan to Radnevo | 6,059.43 mi (9,751.70 km) |
| North Logan to Radomir | 5,966.07 mi (9,601.46 km) |
| North Logan to Rakitovo | 6,029.82 mi (9,704.06 km) |
| North Logan to Rakovski | 6,035.06 mi (9,712.49 km) |
| North Logan to Razgrad | 6,000.33 mi (9,656.60 km) |
| North Logan to Razlog | 6,019.15 mi (9,686.88 km) |
| North Logan to Ruse | 5,968.94 mi (9,606.08 km) |
| North Logan to Samokov | 5,994.85 mi (9,647.78 km) |
| North Logan to Sandanski | 6,032.66 mi (9,708.63 km) |
| North Logan to Sevlievo | 5,995.10 mi (9,648.18 km) |
| North Logan to Shumen | 6,025.69 mi (9,697.41 km) |
| North Logan to Silistra | 5,983.52 mi (9,629.54 km) |
| North Logan to Sliven | 6,046.68 mi (9,731.19 km) |
