| Katy to Nasaud | 5,946.95 mi (9,570.69 km) |
| Katy to Navodari | 6,234.60 mi (10,033.61 km) |
| Katy to Negresti-Oas | 5,885.82 mi (9,472.31 km) |
| Katy to Nehoiu | 6,103.48 mi (9,822.60 km) |
| Katy to Ocna Mures | 5,968.06 mi (9,604.66 km) |
| Katy to Odobesti | 6,110.99 mi (9,834.69 km) |
| Katy to Odorheiu Secuiesc | 6,023.08 mi (9,693.21 km) |
| Katy to Oltenita | 6,174.89 mi (9,937.52 km) |
| Katy to Onesti | 6,077.34 mi (9,780.54 km) |
| Katy to Oradea | 5,867.53 mi (9,442.87 km) |
| Katy to Orastie | 5,968.45 mi (9,605.29 km) |
| Katy to Oravita | 5,948.18 mi (9,572.67 km) |
| Katy to Orsova | 5,988.85 mi (9,638.12 km) |
| Katy to Otelu Rosu | 5,952.01 mi (9,578.84 km) |
| Katy to Otopeni | 6,132.59 mi (9,869.44 km) |
