| Layton to Popovo | 6,050.35 mi (9,737.10 km) |
| Layton to Provadia | 6,090.35 mi (9,801.46 km) |
| Layton to Radnevo | 6,105.33 mi (9,825.58 km) |
| Layton to Radomir | 6,011.43 mi (9,674.46 km) |
| Layton to Rakitovo | 6,075.31 mi (9,777.27 km) |
| Layton to Rakovski | 6,080.78 mi (9,786.06 km) |
| Layton to Razgrad | 6,046.52 mi (9,730.94 km) |
| Layton to Razlog | 6,064.50 mi (9,759.87 km) |
| Layton to Ruse | 6,015.07 mi (9,680.32 km) |
| Layton to Samokov | 6,040.30 mi (9,720.92 km) |
| Layton to Sandanski | 6,077.92 mi (9,781.47 km) |
| Layton to Sevlievo | 6,040.96 mi (9,721.99 km) |
| Layton to Shumen | 6,071.92 mi (9,771.81 km) |
| Layton to Silistra | 6,029.92 mi (9,704.22 km) |
| Layton to Sliven | 6,092.72 mi (9,805.28 km) |
