| Loos to Navodari | 1,264.55 mi (2,035.10 km) |
| Loos to Negresti-Oas | 936.80 mi (1,507.64 km) |
| Loos to Nehoiu | 1,131.20 mi (1,820.49 km) |
| Loos to Ocna Mures | 994.11 mi (1,599.86 km) |
| Loos to Odobesti | 1,151.53 mi (1,853.21 km) |
| Loos to Odorheiu Secuiesc | 1,058.84 mi (1,704.03 km) |
| Loos to Oltenita | 1,187.74 mi (1,911.49 km) |
| Loos to Onesti | 1,124.28 mi (1,809.35 km) |
| Loos to Oradea | 891.08 mi (1,434.05 km) |
| Loos to Orastie | 981.86 mi (1,580.16 km) |
| Loos to Oravita | 944.44 mi (1,519.93 km) |
| Loos to Orsova | 985.48 mi (1,585.97 km) |
| Loos to Otelu Rosu | 956.31 mi (1,539.03 km) |
| Loos to Otopeni | 1,147.45 mi (1,846.64 km) |
| Loos to Ovidiu | 1,263.98 mi (2,034.18 km) |
