| Lockport to Nasaud | 5,036.77 mi (8,105.89 km) |
| Lockport to Navodari | 5,324.68 mi (8,569.25 km) |
| Lockport to Negresti-Oas | 4,975.67 mi (8,007.56 km) |
| Lockport to Nehoiu | 5,194.80 mi (8,360.23 km) |
| Lockport to Ocna Mures | 5,060.63 mi (8,144.30 km) |
| Lockport to Odobesti | 5,200.36 mi (8,369.17 km) |
| Lockport to Odorheiu Secuiesc | 5,113.76 mi (8,229.80 km) |
| Lockport to Oltenita | 5,268.53 mi (8,478.88 km) |
| Lockport to Onesti | 5,166.13 mi (8,314.09 km) |
| Lockport to Oradea | 4,961.29 mi (7,984.43 km) |
| Lockport to Orastie | 5,063.32 mi (8,148.62 km) |
| Lockport to Oravita | 5,047.68 mi (8,123.46 km) |
| Lockport to Orsova | 5,088.00 mi (8,188.34 km) |
| Lockport to Otelu Rosu | 5,049.09 mi (8,125.72 km) |
| Lockport to Otopeni | 5,226.07 mi (8,410.55 km) |
