| Macerata Campania to Oegstgeest | 896.08 mi (1,442.10 km) |
| Macerata Campania to Oirschot | 837.02 mi (1,347.06 km) |
| Macerata Campania to Oisterwijk | 844.20 mi (1,358.60 km) |
| Macerata Campania to Oldebroek | 879.21 mi (1,414.96 km) |
| Macerata Campania to Oldenzaal | 850.41 mi (1,368.60 km) |
| Macerata Campania to Ommen | 872.71 mi (1,404.49 km) |
| Macerata Campania to Oosterend | 909.28 mi (1,463.35 km) |
| Macerata Campania to Oosterhout | 855.96 mi (1,377.53 km) |
| Macerata Campania to Oosterwolde | 904.10 mi (1,455.01 km) |
| Macerata Campania to Oostzaan | 900.58 mi (1,449.34 km) |
| Macerata Campania to Opmeer | 914.59 mi (1,471.89 km) |
| Macerata Campania to Oss | 847.30 mi (1,363.60 km) |
| Macerata Campania to Oud-Beijerland | 877.09 mi (1,411.53 km) |
| Macerata Campania to Oudenbosch | 861.26 mi (1,386.06 km) |
| Macerata Campania to Oudewater | 876.98 mi (1,411.36 km) |
