| Preakness to Nasaud | 4,569.78 mi (7,354.34 km) |
| Preakness to Navodari | 4,854.61 mi (7,812.75 km) |
| Preakness to Negresti-Oas | 4,509.05 mi (7,256.62 km) |
| Preakness to Nehoiu | 4,721.54 mi (7,598.59 km) |
| Preakness to Ocna Mures | 4,584.30 mi (7,377.72 km) |
| Preakness to Odobesti | 4,733.70 mi (7,618.15 km) |
| Preakness to Odorheiu Secuiesc | 4,643.22 mi (7,472.54 km) |
| Preakness to Oltenita | 4,787.45 mi (7,704.66 km) |
| Preakness to Onesti | 4,701.82 mi (7,566.85 km) |
| Preakness to Oradea | 4,481.96 mi (7,213.02 km) |
| Preakness to Orastie | 4,579.97 mi (7,370.74 km) |
| Preakness to Oravita | 4,551.66 mi (7,325.19 km) |
| Preakness to Orsova | 4,592.66 mi (7,391.16 km) |
| Preakness to Otelu Rosu | 4,559.55 mi (7,337.89 km) |
| Preakness to Otopeni | 4,745.77 mi (7,637.58 km) |
