| Agrate Brianza to Oegstgeest | 506.85 mi (815.69 km) |
| Agrate Brianza to Oirschot | 448.65 mi (722.04 km) |
| Agrate Brianza to Oisterwijk | 455.71 mi (733.39 km) |
| Agrate Brianza to Oldebroek | 499.39 mi (803.68 km) |
| Agrate Brianza to Oldenzaal | 477.91 mi (769.12 km) |
| Agrate Brianza to Ommen | 497.02 mi (799.87 km) |
| Agrate Brianza to Oosterend | 533.47 mi (858.54 km) |
| Agrate Brianza to Oosterhout | 466.07 mi (750.07 km) |
| Agrate Brianza to Oosterwolde | 529.88 mi (852.77 km) |
| Agrate Brianza to Oostzaan | 514.52 mi (828.04 km) |
| Agrate Brianza to Opmeer | 530.16 mi (853.21 km) |
| Agrate Brianza to Oss | 461.48 mi (742.68 km) |
| Agrate Brianza to Oud-Beijerland | 485.98 mi (782.12 km) |
| Agrate Brianza to Oudenbosch | 469.70 mi (755.91 km) |
| Agrate Brianza to Oudewater | 488.87 mi (786.75 km) |
