| Chalco to Nasaud | 5,322.74 mi (8,566.12 km) |
| Chalco to Navodari | 5,609.77 mi (9,028.05 km) |
| Chalco to Negresti-Oas | 5,262.00 mi (8,468.37 km) |
| Chalco to Nehoiu | 5,482.82 mi (8,823.74 km) |
| Chalco to Ocna Mures | 5,351.53 mi (8,612.46 km) |
| Chalco to Odobesti | 5,484.66 mi (8,826.70 km) |
| Chalco to Odorheiu Secuiesc | 5,400.99 mi (8,692.05 km) |
| Chalco to Oltenita | 5,560.25 mi (8,948.35 km) |
| Chalco to Onesti | 5,449.44 mi (8,770.03 km) |
| Chalco to Oradea | 5,254.73 mi (8,456.67 km) |
| Chalco to Orastie | 5,358.06 mi (8,622.97 km) |
| Chalco to Oravita | 5,349.53 mi (8,609.24 km) |
| Chalco to Orsova | 5,389.14 mi (8,672.98 km) |
| Chalco to Otelu Rosu | 5,347.36 mi (8,605.75 km) |
| Chalco to Otopeni | 5,517.72 mi (8,879.91 km) |
