| Westlake to Nasaud | 4,830.84 mi (7,774.49 km) |
| Westlake to Navodari | 5,118.16 mi (8,236.89 km) |
| Westlake to Negresti-Oas | 4,769.74 mi (7,676.16 km) |
| Westlake to Nehoiu | 4,986.56 mi (8,025.10 km) |
| Westlake to Ocna Mures | 4,850.71 mi (7,806.47 km) |
| Westlake to Odobesti | 4,995.01 mi (8,038.69 km) |
| Westlake to Odorheiu Secuiesc | 4,906.49 mi (7,896.24 km) |
| Westlake to Oltenita | 5,057.06 mi (8,138.56 km) |
| Westlake to Onesti | 4,961.72 mi (7,985.11 km) |
| Westlake to Oradea | 4,749.81 mi (7,644.08 km) |
| Westlake to Orastie | 4,850.35 mi (7,805.88 km) |
| Westlake to Oravita | 4,829.17 mi (7,771.80 km) |
| Westlake to Orsova | 4,869.88 mi (7,837.31 km) |
| Westlake to Otelu Rosu | 4,833.40 mi (7,778.60 km) |
| Westlake to Otopeni | 5,014.84 mi (8,070.60 km) |
