| Parker to Popovo | 5,946.70 mi (9,570.29 km) |
| Parker to Provadia | 5,991.00 mi (9,641.57 km) |
| Parker to Radnevo | 5,996.67 mi (9,650.70 km) |
| Parker to Radomir | 5,891.68 mi (9,481.74 km) |
| Parker to Rakitovo | 5,957.97 mi (9,588.43 km) |
| Parker to Rakovski | 5,968.13 mi (9,604.77 km) |
| Parker to Razgrad | 5,944.68 mi (9,567.04 km) |
| Parker to Razlog | 5,944.31 mi (9,566.44 km) |
| Parker to Ruse | 5,912.01 mi (9,514.46 km) |
| Parker to Samokov | 5,922.16 mi (9,530.79 km) |
| Parker to Sandanski | 5,955.82 mi (9,584.96 km) |
| Parker to Sevlievo | 5,931.61 mi (9,546.00 km) |
| Parker to Shumen | 5,970.87 mi (9,609.19 km) |
| Parker to Silistra | 5,933.18 mi (9,548.53 km) |
| Parker to Sliven | 5,987.07 mi (9,635.26 km) |
