| Zoetermeer to Orbetello | 735.15 mi (1,183.12 km) |
| Zoetermeer to Oria | 1,012.59 mi (1,629.60 km) |
| Zoetermeer to Oristano | 862.53 mi (1,388.11 km) |
| Zoetermeer to Orta Nova | 910.16 mi (1,464.75 km) |
| Zoetermeer to Orte | 758.76 mi (1,221.10 km) |
| Zoetermeer to Ortona | 814.88 mi (1,311.42 km) |
| Zoetermeer to Orvieto | 736.57 mi (1,185.39 km) |
| Zoetermeer to Orzinuovi | 522.61 mi (841.05 km) |
| Zoetermeer to Osimo | 723.88 mi (1,164.97 km) |
| Zoetermeer to Ospitaletto | 516.09 mi (830.56 km) |
| Zoetermeer to Ostuni | 997.72 mi (1,605.68 km) |
| Zoetermeer to Ottaviano | 907.05 mi (1,459.75 km) |
| Zoetermeer to Ovada | 547.14 mi (880.53 km) |
| Zoetermeer to Ozieri | 821.49 mi (1,322.05 km) |
| Zoetermeer to Paceco | 1,047.93 mi (1,686.48 km) |
