| Cities | Distance |
|---|---|
| Haapsalu to Oegstgeest | 874.73 mi (1,407.73 km) |
| Haapsalu to Oirschot | 879.14 mi (1,414.83 km) |
| Haapsalu to Oisterwijk | 878.40 mi (1,413.64 km) |
| Haapsalu to Oldebroek | 816.49 mi (1,314.01 km) |
| Haapsalu to Oldenzaal | 789.68 mi (1,270.86 km) |
| Haapsalu to Ommen | 796.94 mi (1,282.55 km) |
| Haapsalu to Oosterend | 786.88 mi (1,266.36 km) |
| Haapsalu to Oosterhout | 886.53 mi (1,426.73 km) |
| Haapsalu to Oosterwolde | 780.13 mi (1,255.49 km) |
| Haapsalu to Oostzaan | 850.16 mi (1,368.20 km) |
| Haapsalu to Opmeer | 836.43 mi (1,346.11 km) |
| Haapsalu to Oss | 859.83 mi (1,383.77 km) |
| Haapsalu to Oud-Beijerland | 893.27 mi (1,437.58 km) |
| Haapsalu to Oudenbosch | 899.66 mi (1,447.86 km) |
| Haapsalu to Oudewater | 869.18 mi (1,398.82 km) |