| Isabela to Radauti | 5,410.97 mi (8,708.11 km) |
| Isabela to Ramnicu Sarat | 5,508.26 mi (8,864.68 km) |
| Isabela to Ramnicu Valcea | 5,387.13 mi (8,669.75 km) |
| Isabela to Rasnov | 5,429.64 mi (8,738.16 km) |
| Isabela to Reghin | 5,374.38 mi (8,649.22 km) |
| Isabela to Resita | 5,266.24 mi (8,475.19 km) |
| Isabela to Roman | 5,473.11 mi (8,808.12 km) |
| Isabela to Rosiori de Vede | 5,433.81 mi (8,744.87 km) |
| Isabela to Rovinari | 5,332.76 mi (8,582.24 km) |
| Isabela to Roznov | 5,455.81 mi (8,780.28 km) |
| Isabela to Sabaoani | 5,467.87 mi (8,799.68 km) |
| Isabela to Sacele | 5,440.81 mi (8,756.14 km) |
| Isabela to Sacueni | 5,245.39 mi (8,441.64 km) |
| Isabela to Salcea | 5,434.63 mi (8,746.19 km) |
| Isabela to Salonta | 5,233.06 mi (8,421.79 km) |
