| Kennewick to Nuth | 4,972.36 mi (8,002.25 km) |
| Kennewick to Oegstgeest | 4,865.86 mi (7,830.84 km) |
| Kennewick to Oirschot | 4,924.97 mi (7,925.97 km) |
| Kennewick to Oisterwijk | 4,917.79 mi (7,914.41 km) |
| Kennewick to Oldebroek | 4,887.88 mi (7,866.28 km) |
| Kennewick to Oldenzaal | 4,921.22 mi (7,919.94 km) |
| Kennewick to Ommen | 4,897.18 mi (7,881.25 km) |
| Kennewick to Oosterend | 4,861.46 mi (7,823.76 km) |
| Kennewick to Oosterhout | 4,905.59 mi (7,894.78 km) |
| Kennewick to Oosterwolde | 4,867.80 mi (7,833.97 km) |
| Kennewick to Oostzaan | 4,862.91 mi (7,826.10 km) |
| Kennewick to Opmeer | 4,850.00 mi (7,805.32 km) |
| Kennewick to Oss | 4,915.85 mi (7,911.29 km) |
| Kennewick to Oud-Beijerland | 4,884.17 mi (7,860.31 km) |
| Kennewick to Oudenbosch | 4,899.86 mi (7,885.56 km) |
