| Cities | Distance |
|---|---|
| Porcia to Oegstgeest | 565.48 mi (910.05 km) |
| Porcia to Oirschot | 506.79 mi (815.59 km) |
| Porcia to Oisterwijk | 513.91 mi (827.06 km) |
| Porcia to Oldebroek | 540.40 mi (869.69 km) |
| Porcia to Oldenzaal | 508.05 mi (817.63 km) |
| Porcia to Ommen | 531.56 mi (855.46 km) |
| Porcia to Oosterend | 567.65 mi (913.55 km) |
| Porcia to Oosterhout | 527.17 mi (848.40 km) |
| Porcia to Oosterwolde | 561.75 mi (904.06 km) |
| Porcia to Oostzaan | 566.37 mi (911.48 km) |
| Porcia to Opmeer | 578.62 mi (931.19 km) |
| Porcia to Oss | 514.02 mi (827.23 km) |
| Porcia to Oud-Beijerland | 549.52 mi (884.36 km) |
| Porcia to Oudenbosch | 534.81 mi (860.70 km) |
| Porcia to Oudewater | 545.45 mi (877.81 km) |