| Darien to Nuth | 4,213.31 mi (6,780.67 km) |
| Darien to Oegstgeest | 4,116.14 mi (6,624.29 km) |
| Darien to Oirschot | 4,170.79 mi (6,712.24 km) |
| Darien to Oisterwijk | 4,164.14 mi (6,701.54 km) |
| Darien to Oldebroek | 4,158.91 mi (6,693.12 km) |
| Darien to Oldenzaal | 4,200.94 mi (6,760.76 km) |
| Darien to Ommen | 4,175.16 mi (6,719.27 km) |
| Darien to Oosterend | 4,145.29 mi (6,671.19 km) |
| Darien to Oosterhout | 4,149.38 mi (6,677.79 km) |
| Darien to Oosterwolde | 4,153.79 mi (6,684.88 km) |
| Darien to Oostzaan | 4,122.65 mi (6,634.76 km) |
| Darien to Opmeer | 4,115.78 mi (6,623.71 km) |
| Darien to Oss | 4,169.26 mi (6,709.77 km) |
| Darien to Oud-Beijerland | 4,126.45 mi (6,640.88 km) |
| Darien to Oudenbosch | 4,138.98 mi (6,661.05 km) |
