| McKeesport to Popovo | 5,049.98 mi (8,127.15 km) |
| McKeesport to Provadia | 5,103.42 mi (8,213.16 km) |
| McKeesport to Radnevo | 5,085.06 mi (8,183.62 km) |
| McKeesport to Radomir | 4,956.40 mi (7,976.55 km) |
| McKeesport to Rakitovo | 5,026.09 mi (8,088.70 km) |
| McKeesport to Rakovski | 5,047.62 mi (8,123.36 km) |
| McKeesport to Razgrad | 5,052.69 mi (8,131.52 km) |
| McKeesport to Razlog | 5,005.84 mi (8,056.12 km) |
| McKeesport to Ruse | 5,018.28 mi (8,076.13 km) |
| McKeesport to Samokov | 4,989.69 mi (8,030.13 km) |
| McKeesport to Sandanski | 5,012.12 mi (8,066.23 km) |
| McKeesport to Sevlievo | 5,020.96 mi (8,080.45 km) |
| McKeesport to Shumen | 5,079.81 mi (8,175.17 km) |
| McKeesport to Silistra | 5,054.88 mi (8,135.04 km) |
| McKeesport to Sliven | 5,083.54 mi (8,181.17 km) |
