| Cottonwood Heights to Popovo | 6,074.58 mi (9,776.09 km) |
| Cottonwood Heights to Provadia | 6,114.84 mi (9,840.88 km) |
| Cottonwood Heights to Radnevo | 6,129.28 mi (9,864.12 km) |
| Cottonwood Heights to Radomir | 6,034.68 mi (9,711.88 km) |
| Cottonwood Heights to Rakitovo | 6,098.73 mi (9,814.96 km) |
| Cottonwood Heights to Rakovski | 6,104.48 mi (9,824.21 km) |
| Cottonwood Heights to Razgrad | 6,070.86 mi (9,770.11 km) |
| Cottonwood Heights to Razlog | 6,087.74 mi (9,797.27 km) |
| Cottonwood Heights to Ruse | 6,039.33 mi (9,719.36 km) |
| Cottonwood Heights to Samokov | 6,063.66 mi (9,758.51 km) |
| Cottonwood Heights to Sandanski | 6,101.04 mi (9,818.68 km) |
| Cottonwood Heights to Sevlievo | 6,064.85 mi (9,760.44 km) |
| Cottonwood Heights to Shumen | 6,096.31 mi (9,811.06 km) |
| Cottonwood Heights to Silistra | 6,054.55 mi (9,743.85 km) |
| Cottonwood Heights to Sliven | 6,116.84 mi (9,844.11 km) |
