| Deltona to Popovo | 5,658.59 mi (9,106.61 km) |
| Deltona to Provadia | 5,715.54 mi (9,198.28 km) |
| Deltona to Radnevo | 5,684.68 mi (9,148.61 km) |
| Deltona to Radomir | 5,545.91 mi (8,925.28 km) |
| Deltona to Rakitovo | 5,615.74 mi (9,037.66 km) |
| Deltona to Rakovski | 5,643.22 mi (9,081.88 km) |
| Deltona to Razgrad | 5,663.75 mi (9,114.93 km) |
| Deltona to Razlog | 5,592.19 mi (8,999.75 km) |
| Deltona to Ruse | 5,629.28 mi (9,059.45 km) |
| Deltona to Samokov | 5,579.96 mi (8,980.08 km) |
| Deltona to Sandanski | 5,595.22 mi (9,004.64 km) |
| Deltona to Sevlievo | 5,622.74 mi (9,048.93 km) |
| Deltona to Shumen | 5,690.69 mi (9,158.27 km) |
| Deltona to Silistra | 5,673.03 mi (9,129.86 km) |
| Deltona to Sliven | 5,687.63 mi (9,153.35 km) |
