| American Fork to Popovo | 6,088.30 mi (9,798.18 km) |
| American Fork to Provadia | 6,128.66 mi (9,863.13 km) |
| American Fork to Radnevo | 6,142.89 mi (9,886.03 km) |
| American Fork to Radomir | 6,048.01 mi (9,733.33 km) |
| American Fork to Rakitovo | 6,112.13 mi (9,836.52 km) |
| American Fork to Rakovski | 6,117.99 mi (9,845.95 km) |
| American Fork to Razgrad | 6,084.62 mi (9,792.26 km) |
| American Fork to Razlog | 6,101.06 mi (9,818.71 km) |
| American Fork to Ruse | 6,053.06 mi (9,741.46 km) |
| American Fork to Samokov | 6,077.03 mi (9,780.03 km) |
| American Fork to Sandanski | 6,114.32 mi (9,840.05 km) |
| American Fork to Sevlievo | 6,078.44 mi (9,782.31 km) |
| American Fork to Shumen | 6,110.09 mi (9,833.24 km) |
| American Fork to Silistra | 6,068.42 mi (9,766.18 km) |
| American Fork to Sliven | 6,130.52 mi (9,866.12 km) |
