| Senlis to Navodari | 1,270.19 mi (2,044.17 km) |
| Senlis to Negresti-Oas | 954.69 mi (1,536.42 km) |
| Senlis to Nehoiu | 1,138.10 mi (1,831.59 km) |
| Senlis to Ocna Mures | 1,002.83 mi (1,613.90 km) |
| Senlis to Odobesti | 1,162.01 mi (1,870.08 km) |
| Senlis to Odorheiu Secuiesc | 1,069.55 mi (1,721.28 km) |
| Senlis to Oltenita | 1,188.50 mi (1,912.70 km) |
| Senlis to Onesti | 1,137.02 mi (1,829.85 km) |
| Senlis to Oradea | 901.01 mi (1,450.04 km) |
| Senlis to Orastie | 985.89 mi (1,586.63 km) |
| Senlis to Oravita | 939.92 mi (1,512.65 km) |
| Senlis to Orsova | 980.66 mi (1,578.22 km) |
| Senlis to Otelu Rosu | 956.42 mi (1,539.22 km) |
| Senlis to Otopeni | 1,149.52 mi (1,849.97 km) |
| Senlis to Ovidiu | 1,269.27 mi (2,042.69 km) |
