| Zaandam to Navodari | 1,219.04 mi (1,961.86 km) |
| Zaandam to Negresti-Oas | 878.33 mi (1,413.53 km) |
| Zaandam to Nehoiu | 1,085.53 mi (1,746.99 km) |
| Zaandam to Ocna Mures | 947.94 mi (1,525.56 km) |
| Zaandam to Odobesti | 1,100.38 mi (1,770.88 km) |
| Zaandam to Odorheiu Secuiesc | 1,008.67 mi (1,623.30 km) |
| Zaandam to Oltenita | 1,150.30 mi (1,851.23 km) |
| Zaandam to Onesti | 1,070.21 mi (1,722.34 km) |
| Zaandam to Oradea | 845.20 mi (1,360.22 km) |
| Zaandam to Orastie | 942.82 mi (1,517.33 km) |
| Zaandam to Oravita | 918.81 mi (1,478.68 km) |
| Zaandam to Orsova | 959.47 mi (1,544.11 km) |
| Zaandam to Otelu Rosu | 923.54 mi (1,486.29 km) |
| Zaandam to Otopeni | 1,108.61 mi (1,784.13 km) |
| Zaandam to Ovidiu | 1,218.97 mi (1,961.75 km) |
