| New Port Richey to Popovo | 5,754.75 mi (9,261.38 km) |
| New Port Richey to Provadia | 5,811.51 mi (9,352.72 km) |
| New Port Richey to Radnevo | 5,781.43 mi (9,304.31 km) |
| New Port Richey to Radomir | 5,643.18 mi (9,081.82 km) |
| New Port Richey to Rakitovo | 5,713.04 mi (9,194.24 km) |
| New Port Richey to Rakovski | 5,740.18 mi (9,237.93 km) |
| New Port Richey to Razgrad | 5,759.76 mi (9,269.44 km) |
| New Port Richey to Razlog | 5,689.65 mi (9,156.61 km) |
| New Port Richey to Ruse | 5,725.27 mi (9,213.93 km) |
| New Port Richey to Samokov | 5,677.20 mi (9,136.57 km) |
| New Port Richey to Sandanski | 5,692.87 mi (9,161.78 km) |
| New Port Richey to Sevlievo | 5,719.33 mi (9,204.36 km) |
| New Port Richey to Shumen | 5,786.72 mi (9,312.83 km) |
| New Port Richey to Silistra | 5,768.56 mi (9,283.60 km) |
| New Port Richey to Sliven | 5,784.10 mi (9,308.61 km) |
