| Crystal to Nuth | 4,246.89 mi (6,834.71 km) |
| Crystal to Oegstgeest | 4,145.76 mi (6,671.96 km) |
| Crystal to Oirschot | 4,202.43 mi (6,763.15 km) |
| Crystal to Oisterwijk | 4,195.54 mi (6,752.06 km) |
| Crystal to Oldebroek | 4,183.53 mi (6,732.74 km) |
| Crystal to Oldenzaal | 4,223.84 mi (6,797.61 km) |
| Crystal to Ommen | 4,198.15 mi (6,756.26 km) |
| Crystal to Oosterend | 4,166.25 mi (6,704.94 km) |
| Crystal to Oosterhout | 4,181.26 mi (6,729.09 km) |
| Crystal to Oosterwolde | 4,174.30 mi (6,717.89 km) |
| Crystal to Oostzaan | 4,149.79 mi (6,678.44 km) |
| Crystal to Opmeer | 4,141.18 mi (6,664.59 km) |
| Crystal to Oss | 4,198.81 mi (6,757.33 km) |
| Crystal to Oud-Beijerland | 4,158.40 mi (6,692.31 km) |
| Crystal to Oudenbosch | 4,171.98 mi (6,714.16 km) |
