| Laveno-Mombello to Oegstgeest | 472.38 mi (760.22 km) |
| Laveno-Mombello to Oirschot | 414.81 mi (667.57 km) |
| Laveno-Mombello to Oisterwijk | 421.78 mi (678.78 km) |
| Laveno-Mombello to Oldebroek | 468.26 mi (753.59 km) |
| Laveno-Mombello to Oldenzaal | 449.23 mi (722.96 km) |
| Laveno-Mombello to Ommen | 467.20 mi (751.89 km) |
| Laveno-Mombello to Oosterend | 503.35 mi (810.07 km) |
| Laveno-Mombello to Oosterhout | 431.52 mi (694.46 km) |
| Laveno-Mombello to Oosterwolde | 500.26 mi (805.10 km) |
| Laveno-Mombello to Oostzaan | 481.20 mi (774.42 km) |
| Laveno-Mombello to Opmeer | 497.34 mi (800.38 km) |
| Laveno-Mombello to Oss | 428.54 mi (689.66 km) |
| Laveno-Mombello to Oud-Beijerland | 450.83 mi (725.54 km) |
| Laveno-Mombello to Oudenbosch | 434.41 mi (699.12 km) |
| Laveno-Mombello to Oudewater | 454.91 mi (732.11 km) |
