| Seynod to Navodari | 1,099.73 mi (1,769.84 km) |
| Seynod to Negresti-Oas | 827.91 mi (1,332.39 km) |
| Seynod to Nehoiu | 974.66 mi (1,568.57 km) |
| Seynod to Ocna Mures | 849.37 mi (1,366.92 km) |
| Seynod to Odobesti | 1,006.76 mi (1,620.22 km) |
| Seynod to Odorheiu Secuiesc | 918.32 mi (1,477.89 km) |
| Seynod to Oltenita | 1,008.60 mi (1,623.19 km) |
| Seynod to Onesti | 988.43 mi (1,590.72 km) |
| Seynod to Oradea | 756.03 mi (1,216.71 km) |
| Seynod to Orastie | 821.28 mi (1,321.73 km) |
| Seynod to Oravita | 756.49 mi (1,217.45 km) |
| Seynod to Orsova | 794.75 mi (1,279.02 km) |
| Seynod to Otelu Rosu | 783.49 mi (1,260.90 km) |
| Seynod to Otopeni | 973.93 mi (1,567.38 km) |
| Seynod to Ovidiu | 1,098.00 mi (1,767.07 km) |
