| Cloppenburg to Oegstgeest | 157.53 mi (253.51 km) |
| Cloppenburg to Oirschot | 149.24 mi (240.18 km) |
| Cloppenburg to Oisterwijk | 149.03 mi (239.84 km) |
| Cloppenburg to Oldebroek | 94.26 mi (151.70 km) |
| Cloppenburg to Oldenzaal | 59.63 mi (95.96 km) |
| Cloppenburg to Ommen | 72.18 mi (116.17 km) |
| Cloppenburg to Oosterend | 83.30 mi (134.05 km) |
| Cloppenburg to Oosterhout | 158.72 mi (255.44 km) |
| Cloppenburg to Oosterwolde | 73.90 mi (118.93 km) |
| Cloppenburg to Oostzaan | 135.84 mi (218.61 km) |
| Cloppenburg to Opmeer | 129.98 mi (209.18 km) |
| Cloppenburg to Oss | 130.58 mi (210.15 km) |
| Cloppenburg to Oud-Beijerland | 169.81 mi (273.29 km) |
| Cloppenburg to Oudenbosch | 172.79 mi (278.08 km) |
| Cloppenburg to Oudewater | 145.92 mi (234.83 km) |
