| Prospect Heights to Radauti | 5,029.98 mi (8,094.97 km) |
| Prospect Heights to Ramnicu Sarat | 5,189.03 mi (8,350.94 km) |
| Prospect Heights to Ramnicu Valcea | 5,110.43 mi (8,224.45 km) |
| Prospect Heights to Rasnov | 5,124.15 mi (8,246.52 km) |
| Prospect Heights to Reghin | 5,041.17 mi (8,112.97 km) |
| Prospect Heights to Resita | 5,013.56 mi (8,068.55 km) |
| Prospect Heights to Roman | 5,108.02 mi (8,220.56 km) |
| Prospect Heights to Rosiori de Vede | 5,180.33 mi (8,336.94 km) |
| Prospect Heights to Rovinari | 5,077.11 mi (8,170.81 km) |
| Prospect Heights to Roznov | 5,098.80 mi (8,205.72 km) |
| Prospect Heights to Sabaoani | 5,101.10 mi (8,209.43 km) |
| Prospect Heights to Sacele | 5,131.37 mi (8,258.14 km) |
| Prospect Heights to Sacueni | 4,924.34 mi (7,924.96 km) |
| Prospect Heights to Salcea | 5,054.20 mi (8,133.95 km) |
| Prospect Heights to Salonta | 4,934.85 mi (7,941.87 km) |
