| West Carson to Nasaud | 6,374.17 mi (10,258.23 km) |
| West Carson to Navodari | 6,650.90 mi (10,703.60 km) |
| West Carson to Negresti-Oas | 6,315.99 mi (10,164.61 km) |
| West Carson to Nehoiu | 6,534.85 mi (10,516.82 km) |
| West Carson to Ocna Mures | 6,414.26 mi (10,322.75 km) |
| West Carson to Odobesti | 6,527.37 mi (10,504.79 km) |
| West Carson to Odorheiu Secuiesc | 6,453.33 mi (10,385.64 km) |
| West Carson to Oltenita | 6,619.39 mi (10,652.87 km) |
| West Carson to Onesti | 6,490.69 mi (10,445.75 km) |
| West Carson to Oradea | 6,326.18 mi (10,181.01 km) |
| West Carson to Orastie | 6,430.01 mi (10,348.10 km) |
| West Carson to Oravita | 6,438.90 mi (10,362.42 km) |
| West Carson to Orsova | 6,475.83 mi (10,421.84 km) |
| West Carson to Otelu Rosu | 6,428.15 mi (10,345.11 km) |
| West Carson to Otopeni | 6,577.83 mi (10,585.99 km) |
