| Laon to Popovo | 1,153.08 mi (1,855.70 km) |
| Laon to Provadia | 1,211.23 mi (1,949.29 km) |
| Laon to Radnevo | 1,177.80 mi (1,895.48 km) |
| Laon to Radomir | 1,041.48 mi (1,676.09 km) |
| Laon to Rakitovo | 1,111.40 mi (1,788.63 km) |
| Laon to Rakovski | 1,136.85 mi (1,829.59 km) |
| Laon to Razgrad | 1,159.25 mi (1,865.63 km) |
| Laon to Razlog | 1,089.61 mi (1,753.56 km) |
| Laon to Ruse | 1,124.96 mi (1,810.44 km) |
| Laon to Samokov | 1,075.25 mi (1,730.45 km) |
| Laon to Sandanski | 1,094.89 mi (1,762.06 km) |
| Laon to Sevlievo | 1,115.86 mi (1,795.80 km) |
| Laon to Shumen | 1,185.94 mi (1,908.58 km) |
| Laon to Silistra | 1,173.00 mi (1,887.75 km) |
| Laon to Sliven | 1,180.92 mi (1,900.50 km) |
