| Cities | Distance |
|---|---|
| Gallarate to Oegstgeest | 491.09 mi (790.34 km) |
| Gallarate to Oirschot | 433.47 mi (697.61 km) |
| Gallarate to Oisterwijk | 440.45 mi (708.84 km) |
| Gallarate to Oldebroek | 486.64 mi (783.16 km) |
| Gallarate to Oldenzaal | 467.21 mi (751.90 km) |
| Gallarate to Ommen | 485.38 mi (781.15 km) |
| Gallarate to Oosterend | 521.59 mi (839.41 km) |
| Gallarate to Oosterhout | 450.24 mi (724.59 km) |
| Gallarate to Oosterwolde | 518.42 mi (834.32 km) |
| Gallarate to Oostzaan | 499.83 mi (804.40 km) |
| Gallarate to Opmeer | 515.92 mi (830.29 km) |
| Gallarate to Oss | 447.12 mi (719.58 km) |
| Gallarate to Oud-Beijerland | 469.58 mi (755.71 km) |
| Gallarate to Oudenbosch | 453.16 mi (729.30 km) |
| Gallarate to Oudewater | 473.59 mi (762.17 km) |