| Rock Island to Radauti | 5,150.49 mi (8,288.92 km) |
| Rock Island to Ramnicu Sarat | 5,311.15 mi (8,547.47 km) |
| Rock Island to Ramnicu Valcea | 5,234.61 mi (8,424.29 km) |
| Rock Island to Rasnov | 5,247.15 mi (8,444.48 km) |
| Rock Island to Reghin | 5,163.54 mi (8,309.92 km) |
| Rock Island to Resita | 5,139.13 mi (8,270.63 km) |
| Rock Island to Roman | 5,228.74 mi (8,414.85 km) |
| Rock Island to Rosiori de Vede | 5,305.01 mi (8,537.59 km) |
| Rock Island to Rovinari | 5,202.24 mi (8,372.20 km) |
| Rock Island to Roznov | 5,219.90 mi (8,400.62 km) |
| Rock Island to Sabaoani | 5,221.80 mi (8,403.67 km) |
| Rock Island to Sacele | 5,254.18 mi (8,455.78 km) |
| Rock Island to Sacueni | 5,047.83 mi (8,123.70 km) |
| Rock Island to Salcea | 5,174.60 mi (8,327.72 km) |
| Rock Island to Salonta | 5,059.15 mi (8,141.92 km) |
