| Ozark to Nasaud | 5,455.71 mi (8,780.12 km) |
| Ozark to Navodari | 5,743.63 mi (9,243.48 km) |
| Ozark to Negresti-Oas | 5,394.62 mi (8,681.80 km) |
| Ozark to Nehoiu | 5,613.86 mi (9,034.63 km) |
| Ozark to Ocna Mures | 5,479.76 mi (8,818.83 km) |
| Ozark to Odobesti | 5,619.25 mi (9,043.31 km) |
| Ozark to Odorheiu Secuiesc | 5,532.77 mi (8,904.14 km) |
| Ozark to Oltenita | 5,687.70 mi (9,153.46 km) |
| Ozark to Onesti | 5,584.96 mi (8,988.13 km) |
| Ozark to Oradea | 5,380.47 mi (8,659.03 km) |
| Ozark to Orastie | 5,482.52 mi (8,823.26 km) |
| Ozark to Oravita | 5,466.83 mi (8,798.02 km) |
| Ozark to Orsova | 5,507.16 mi (8,862.92 km) |
| Ozark to Otelu Rosu | 5,468.29 mi (8,800.37 km) |
| Ozark to Otopeni | 5,645.23 mi (9,085.12 km) |
