| Waukegan to Nuth | 4,179.30 mi (6,725.94 km) |
| Waukegan to Oegstgeest | 4,081.79 mi (6,569.01 km) |
| Waukegan to Oirschot | 4,136.61 mi (6,657.24 km) |
| Waukegan to Oisterwijk | 4,129.95 mi (6,646.51 km) |
| Waukegan to Oldebroek | 4,124.20 mi (6,637.25 km) |
| Waukegan to Oldenzaal | 4,166.11 mi (6,704.71 km) |
| Waukegan to Ommen | 4,140.33 mi (6,663.21 km) |
| Waukegan to Oosterend | 4,110.29 mi (6,614.88 km) |
| Waukegan to Oosterhout | 4,115.22 mi (6,622.80 km) |
| Waukegan to Oosterwolde | 4,118.77 mi (6,628.52 km) |
| Waukegan to Oostzaan | 4,088.11 mi (6,579.17 km) |
| Waukegan to Opmeer | 4,081.11 mi (6,567.91 km) |
| Waukegan to Oss | 4,134.92 mi (6,654.51 km) |
| Waukegan to Oud-Beijerland | 4,092.28 mi (6,585.89 km) |
| Waukegan to Oudenbosch | 4,104.90 mi (6,606.20 km) |
