| Fort Campbell North to Popovo | 5,520.68 mi (8,884.67 km) |
| Fort Campbell North to Provadia | 5,573.18 mi (8,969.17 km) |
| Fort Campbell North to Radnevo | 5,557.62 mi (8,944.13 km) |
| Fort Campbell North to Radomir | 5,431.19 mi (8,740.66 km) |
| Fort Campbell North to Rakitovo | 5,500.71 mi (8,852.54 km) |
| Fort Campbell North to Rakovski | 5,521.07 mi (8,885.30 km) |
| Fort Campbell North to Razgrad | 5,522.82 mi (8,888.13 km) |
| Fort Campbell North to Razlog | 5,481.10 mi (8,820.97 km) |
| Fort Campbell North to Ruse | 5,488.51 mi (8,832.90 km) |
| Fort Campbell North to Samokov | 5,464.27 mi (8,793.90 km) |
| Fort Campbell North to Sandanski | 5,487.93 mi (8,831.97 km) |
| Fort Campbell North to Sevlievo | 5,493.21 mi (8,840.48 km) |
| Fort Campbell North to Shumen | 5,549.92 mi (8,931.74 km) |
| Fort Campbell North to Silistra | 5,523.30 mi (8,888.90 km) |
| Fort Campbell North to Sliven | 5,555.16 mi (8,940.17 km) |
