| Clemmons to Nuth | 4,192.16 mi (6,746.63 km) |
| Clemmons to Oegstgeest | 4,103.52 mi (6,603.98 km) |
| Clemmons to Oirschot | 4,153.70 mi (6,684.74 km) |
| Clemmons to Oisterwijk | 4,147.60 mi (6,674.91 km) |
| Clemmons to Oldebroek | 4,153.41 mi (6,684.26 km) |
| Clemmons to Oldenzaal | 4,197.29 mi (6,754.88 km) |
| Clemmons to Ommen | 4,171.93 mi (6,714.07 km) |
| Clemmons to Oosterend | 4,145.97 mi (6,672.29 km) |
| Clemmons to Oosterhout | 4,132.38 mi (6,650.42 km) |
| Clemmons to Oosterwolde | 4,155.02 mi (6,686.85 km) |
| Clemmons to Oostzaan | 4,113.88 mi (6,620.64 km) |
| Clemmons to Opmeer | 4,109.98 mi (6,614.37 km) |
| Clemmons to Oss | 4,155.58 mi (6,687.76 km) |
| Clemmons to Oud-Beijerland | 4,109.83 mi (6,614.13 km) |
| Clemmons to Oudenbosch | 4,120.39 mi (6,631.13 km) |
