| Arkadelphia to Popovo | 5,859.81 mi (9,430.46 km) |
| Arkadelphia to Provadia | 5,911.28 mi (9,513.29 km) |
| Arkadelphia to Radnevo | 5,898.71 mi (9,493.05 km) |
| Arkadelphia to Radomir | 5,774.82 mi (9,293.68 km) |
| Arkadelphia to Rakitovo | 5,844.10 mi (9,405.17 km) |
| Arkadelphia to Rakovski | 5,863.15 mi (9,435.82 km) |
| Arkadelphia to Razgrad | 5,861.37 mi (9,432.96 km) |
| Arkadelphia to Razlog | 5,825.21 mi (9,374.77 km) |
| Arkadelphia to Ruse | 5,827.19 mi (9,377.95 km) |
| Arkadelphia to Samokov | 5,807.65 mi (9,346.51 km) |
| Arkadelphia to Sandanski | 5,832.66 mi (9,386.76 km) |
| Arkadelphia to Sevlievo | 5,834.03 mi (9,388.96 km) |
| Arkadelphia to Shumen | 5,888.41 mi (9,476.48 km) |
| Arkadelphia to Silistra | 5,860.08 mi (9,430.88 km) |
| Arkadelphia to Sliven | 5,895.24 mi (9,487.47 km) |
