| New Port Richey East to Popovo | 5,753.06 mi (9,258.66 km) |
| New Port Richey East to Provadia | 5,809.82 mi (9,350.01 km) |
| New Port Richey East to Radnevo | 5,779.73 mi (9,301.58 km) |
| New Port Richey East to Radomir | 5,641.48 mi (9,079.08 km) |
| New Port Richey East to Rakitovo | 5,711.33 mi (9,191.50 km) |
| New Port Richey East to Rakovski | 5,738.48 mi (9,235.20 km) |
| New Port Richey East to Razgrad | 5,758.07 mi (9,266.72 km) |
| New Port Richey East to Razlog | 5,687.95 mi (9,153.87 km) |
| New Port Richey East to Ruse | 5,723.58 mi (9,211.22 km) |
| New Port Richey East to Samokov | 5,675.50 mi (9,133.83 km) |
| New Port Richey East to Sandanski | 5,691.16 mi (9,159.04 km) |
| New Port Richey East to Sevlievo | 5,717.63 mi (9,201.64 km) |
| New Port Richey East to Shumen | 5,785.03 mi (9,310.11 km) |
| New Port Richey East to Silistra | 5,766.88 mi (9,280.89 km) |
| New Port Richey East to Sliven | 5,782.41 mi (9,305.89 km) |
